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CÔNG TY TNHH TM-DV-KT CAO VIỆT CƯỜNG
ĐẠI LÝ PHÂN PHỐI CHÍNH THỨC TẠI VIỆT NAM
ĐỒNG HỒ ÁP SUẤT MÀNG
NEW-FLOW (TAIWAN)
DIAPHRAGM SEAL TYPE
Mini type diaphragm seal
Flow thru type diaphragm seal
Flange style inserted type diaphragm seal
Flush membrane type diaphragm seal
Plastic thread type diaphragm seal
Flushing type diaphragm seal
Thread type diaphragm seal
Union type diaphragm seal
Clamp type diaphragm seal
Flange type diaphragm seal
OUR CUSTOMERS
Oil and Gas Industry
Ship Building Industry
Food and Beverages Industry
Power Plants
Chemical Factory
Petrochemical Industry
Pharmaceutical Industry
Water and Waste Water Treatment
Feed Processing Factory
Pulp and Paper Factory
Steel Factory
1. MINI TYPE DIAPHRAGM SEAL
Series DT102
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● Instrument Connection: female ¼" to ½" BSP or NPT, option available
● Process connection: 1/2", 3/4", 1" NPTM or BSPM, option.
● Temperature Limited: -40ºC ~ +150ºC
● Pressure Range Limited: Maximum up to 100 kg/cm²
Minimum 0~6 kg/cm² (for pressure gauge)
● Body Material: SS316 (standard) ; option: SS316L, Hastelloy C276,
otheres on request.
● Membrane Material: SS316L (standard) ; option: Hastelloy C276,
Tantalum, others on request
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2. FLOW THRU TYPE DIAPHRAGM SEAL
Series DT134
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● Instrument Connection: female thread ¼" to ½" NPT or BSP
● Process Connection: ¼" to 1" NPT female ; option available
● Temperature Limited: -40~+150ºC ;
Cooling Element or Capillary line up to 350ºC
● Pressure Limited: Maximum up to 100 kg/cm² ;
Minimum 0~6 kg/cm² (for pressure gauge) ;
Less pressure for pressure transmitter available
● Body Material: SS316 (standard)
● Membrane Material: SS316L, Hastelloy C276, Tantalum, Option.
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3. FLANGE STYLE INSERTED TYPE DIAPHRAGM SEAL
Series DT133
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● Instrument Connection: female thread ¼" to ½" NPT or BSP
● Process Connection: ¾" to 3" Flange; JIS, ANSI, DIN rating available
● Temperature Limited: -40~+150ºC;
Cooling Element or Capillary line up to 350ºC
● Pressure Range & Flange Size Limited:
ø36 Membrane: Maximum up to 40 kg/cm² ; Minimum 0~6 kg/cm²
Minimum process flange ¾" x 150#
ø45 Membrane: Maximum up to 40 kg/cm² ; Minimum 0~6 kg/cm²
Minimum process flange 1" x 150#
ø55 Membrane: Maximum up to 40 kg/cm² ; Minimum 0~4 kg/cm²
Minimum process flange 1½" x 150#
ø75 Membrane: Maximum up to 40 kg/cm² ; Minimum -1~0 kg/cm²
Minimum process flange 2" x 150#
● The larger pressure range is on request,
according to flange rating for above items.
● Body Material: SS316 (standard)
● Membrane Material: SS316L, Hastelloy C276, Tantalum, Option.
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4. FLUSH MEMBRANE TYPE DIAPHRAGM SEAL
Series DT127
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● Instrument Connection: female thread ¼" to ½" NPT or BSP
● Process Connection: 1" to 3" Flange; JIS, ANSI, DIN rating available
● Temperature Limited: -40~+150ºC;
Cooling Element or Capillary line up to 350ºC
● Pressure Range & Flange Size Limited:
ø36 Membrane: Maximum up to 40 kg/cm² ; Minimum 0~10 kg/cm²
Minimum process flange 1" x 150#
ø45 Membrane: Maximum up to 40 kg/cm² ; Minimum 0~6 kg/cm²
Minimum process flange 1½" x 150# or 2" x 150#
ø55 Membrane: Maximum up to 40 kg/cm² ; Minimum 0~4 kg/cm²
Minimum process flange 2½" x 150#
ø75 Membrane: Maximum up to 40 kg/cm² ; Minimum -1~0 kg/cm²
Minimum process flange 3" x 150#
● Option: Upper pressure available, according to flange rating on request.
● Body Material: SS316 (standard)
● Membrane Material: SS316L, Hastelloy C276, Tantalum, Option.
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5. PLASTIC THREAD TYPE DIAPHRAGM SEAL
Series DT132
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● Instrument: female thread ¼" to ½" BSP or NPT
● Process Connection: ¼" to ½" BSP or NPT
● Max. Temperature: 40ºC
● Measurement Range: 0~2.5 to 10 bar for dial ø2" or ø63mm used
0~4 to 10 bar for dial ø4" or ø4½" used
● Body Material: PVC
● Membrane Material: EPDM with PTFE foil
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6. FLUSHING TYPE DIAPHRAGM SEAL
Series DT131
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● Instrument Connection: female thread ¼" to ½" NPT or BSP
● Process Connection: ½"NPT or BSP female
● Temperature Limited: -40~+150ºC ;
Cooling Element or Capillary line up to 350ºC
● Pressure Range Limited:
DT131-M: -760mmHg~0 , maximum up to 40 kg/cm²
DT131-P: maximum up to 10 kg/cm²
● Upper Housing Material: SS316 (standard)
● Lower Housing Materail: DT131-M: SS316, or others on request
DT131-P: PVC, PP, PVDF, Teflon available
● Membrane Size: ø75mm
● Membrane Material:
DT131-M: SS316L (standard) ;
option: Hastelloy C276, Tantalum on request
DT131-P: SS316L+Teflon lining (standard)
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7. MINI TYPE DIAPHRAGM SEAL
Series DT101
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● Instrument Connection: Thread ¼" to ½" BSP or NPT female available
● Process Connection: ¼" to ½" BSP or NPT, option available
● Temperature Limited: -40ºC~+150ºC
● Pressure Range Limited: maximum up to 140 kg/cm²;
minimum 0~6 kg/cm² (for pressure gauge)
● Body Material: SS316 (standard) ;
Option: SS316L, Hastelloy C276, others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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8. THREAD TYPE DIAPHRAGM SEAL
Series DT103
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: ½" to 2" BSP male thread
● Temperature Limited: -40ºC~+150ºC
● Pressure Range Limited: (for pressure gauge)
½" : min. 0~25 kg/cm² / max. 0~350 kg/cm²
¾" : min. 0~10 kg/cm² / max. 0~200 kg/cm²
1" : min. 0~4 kg/cm² / max. 0~60 kg/cm²
1½" : min. 0~1.6 kg/cm² / max. 0~40 kg/cm²
2" : min. -1~+1.5 kg/cm² / max. 0~25 kg/cm²
● Body Material: SS316 (standard) ;
Option: SS316L, Hastelloy C276, others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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9. THREAD TYPE DIAPHRAGM SEAL
Series DT104
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: 1" to 2" NPT male thread
● Temperature Limited: -40ºC~+150ºC
● Pressure Range Limited: (for pressure gauge)
1" : min. 0~10 kg/cm² / max. 0~60 kg/cm²
1½" : min. 0~4 kg/cm² / max. 0~40 kg/cm²
2" : min. 0~1.6 kg/cm² / max. 0~16 kg/cm²
● Body Material: SS316 (standard) ;
Option: SS316L, Hastelloy C276, others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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10. UNION TYPE DIAPHRAGM SEAL
Series DT105
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: 1" , 1½" , 2" (SMS)
25, 32, 40, 50 (DN11851)
● Temperature Limited: -40ºC~+150ºC
● Pressure Range Limited: (for pressure gauge)
1" / 25: min. 0~10 kg/cm² / max. 0~60 kg/cm²
1½" / 32, 40 : min. 0~6 kg/cm² / max. 0~40 kg/cm²
2" / 50: min. -1~+1.5 kg/cm² / max. 0~16 kg/cm²
● Body Material: SS316 (standard) ;
Option: SS316L, Hastelloy C276, others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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11. CLAMP CONNECTION TYPE DIAPHRAGM SEAL
Series DT106
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: 1", 1½", 2" (ISO2852);
25, 32, 40, 50 (DIN32676)
● Temperature Limited: -40ºC~+150ºC
● Pressure Range Limited:(for pressure gauge)
1" & 1½" : min. 0~6 kg/cm² / max. 0~40 kg/cm²
2" : min. -1~+1.5 kg/cm² / max. 0~16 kg/cm²
● Body Material: SS316 (standard) ;
Option: SS316L, Hastelloy C276, others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, Titanium, others on request
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12. THREAD TYPE DIAPHRAGM SEAL
Series DT107
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: ¼" to ½" thread BSP or NPT
● Temperature Limited: -40ºC~+150ºC ,
Cooling element or Capillary line up to 350ºC
● Pressure Range Limited: Maximum up to 0~40 kg/cm² ;
Minimum 0~4 kg/cm² , option 0~60 kg/cm²
● Material: Upper & Lower housing SS316 (standard) ; others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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13. THREAD TYPE DIAPHRAGM SEAL
Series DT108
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: ¼" to ½" thread BSP or NPT
● Temperature Limited: -40ºC~+150ºC ,
Cooling element or Capillary line up to 350ºC
● Pressure Range Limited: Maximum up to 40 kg/cm² ;
Minimum -760 mmHg~0 , 0~0.6 kg/cm²
● Material: Upper & Lower housing SS316 (standard) ; others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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14. THREAD TYPE DIAPHRAGM SEAL
Series DT110
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Membrane Size: ø45, ø55, ø75mm available
● Process Connection: ¼" to ½" thread BSP or NPT
● Temperature Limited: -40ºC~+150ºC ,
Cooling element or Capillary line up to 350ºC
● Pressure Range Limited:
Maximum up to 40 kg/cm²
Minimum -760 mmHg~0 (ø75mm membrane)
Minimum 0~10 kg/cm² (ø55mm membrane)
● Material: Upper & Lower housing SS316 (standard) ; others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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15. THREAD TYPE DIAPHRAGM SEAL
Series DT111
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Membrane Size: ø45, ø55, ø75mm available
● Process Connection: ¼" to ½" thread BSP or NPT
● Temperature Limited: -40ºC~+150ºC ,
Cooling element or Capillary line up to 350ºC
● Pressure Range Limited:
Maximum up to 60 kg/cm²
Minimum 0~10 kg/cm² ; option 0~250 kg/cm²
● Material: Upper & Lower housing SS316 (standard) ; others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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16. PLASTIC THREAD TYPE DIAPHRAGM SEAL
Series DT114
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Membrane Size: ø55, ø75mm
● Process Connection: ¼" to ½" BSP or NPT
● Max. Temperature: Up to 120ºC
● Measurement Range: -760mmHg ~ 0 ~ 10 kg/cm² (ø75mm membrane)
0 ~ 10 kg/cm² (ø55mm membrane)
● Material: Upper housing: SS316 (standard) ;
Low housing: PVC, PP, PVDF, Teflon available
● Membrane Material: SS316L + Teflon lining (standard) ;
Options: Hastelloy C276, Titanium, Tantalum, others on request
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17. FLANGE TYPE DIAPHRAGM SEAL
Series DT116
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Membrane Size: ø55, ø75mm available
● Process Connection: ½" to 3" Flange ; JIS, ANSI, DIN available
● Temperature Limited: -40ºC~+150ºC ;
Cooling Element or Capillary line up to 350ºC
● Pressure Limited:
● Maximum up to 40 kg/cm² ; Teflon lining type up to 25 kg/cm²
● Minimum: -760mmHg~0 (ø75mm membrane) ;
0~10 kg/cm² (ø55mm membrane)
● Material: Upper & Lower housing: SS316 (standard) ; others on request
Wetted Parts: Teflon lining available on request
● Membrane Material: SS316L (standard) ; options: Hastelloy C276,
SS316L + Teflon lining, Tantalum ; others on request
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18. PLASTIC FLANGE TYPE DIAPHRAGM SEAL
Series DT118
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Membrane Size: ø55, ø75mm
● Process Connection: ½" to 2" Flange type; JIS, ANSI, DIN available
● Measurement Range: -760mmHg ~ 0 ~ 10 kg/cm² (ø75mm membrane)
0 ~ 10 kg/cm² (ø55mm membrane)
● Max. Temperature: Up to 120ºC
● Material: Upper housing: SS316 (standard) ;
Low housing: PVC, PP, PVDF, Teflon available
● Membrane Material: SS316L+Teflon lining (standard) ;
Options: Hastelloy C276, Titanium, Tantalum, others on request
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19. LAP JOINT TYPE DIAPHRAGM SEAL
Series DT121
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● Instrument Connection: female thread ½" BSP or NPT
● Membrane Size: ø45mm
● Process Connection: Please refer to the drawing as catalogue.
● Temperature Limited: -40~+150ºC ;
Cooling Element or Capillary line up to 350ºC
● Pressure Range Limited:
ø45mm membrane: Maximum up to 40 kg/cm²
Minimum -1~5 kg/cm² , 0~6 kg/cm²
● Housing Material: SS316 (standard) ; others on request
● Membrane Material: SS316L (standard) ;
Options: Hastelloy C276, Tantalum, others on request
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20. FLANGE TYPE DIAPHRAGM SEAL
Series DT122
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Membrane Size: ø36 , ø45 , ø75mm available
● Process Connection: ½" to 3" Flange; JIS, ANSI, DIN available
● Temperature Limited: -40~+150ºC ;
Cooling Element or Capillary line up to 350ºC
● Pressure Range Limited:
ø75mm membrane: -760mmHg~0 , Minimum process flange 2" x 150#
ø45mm membrane: Maximum up to 40 kg/cm²
Minimum -1~5 kg/cm² , 0~6 kg/cm²
Minimum process flange ¾" x 150#
ø36mm membrane: Maximum up to 40 kg/cm²
Minimum 0~10 kg/cm²
Minimum process flange ½" x 150#
● Material: Upper & Lower housing: SS316 (standard) ; others on request
● Membrane Material: SS316L (standard) ;
Options: Hastelloy C276, Tantalum, others on request
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21. FLANGE TYPE DIAPHRAGM SEAL
Series DT123
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Membrane Size: ø36 , ø45 , ø75mm available
● Process Connection: ½" to 3" Flange; JIS, ANSI, DIN available
● Temperature Limited: -40~+150ºC
● Pressure Range Limited:
ø75mm membrane: -760mmHg~0 , Minimum process flange 2" x 150#
ø45mm membrane: Maximum up to 40 kg/cm²
Minimum -1~5 kg/cm² , 0~6 kg/cm²
Minimum process flange ¾" x 150#
ø36mm membrane: Maximum up to 40 kg/cm²
Minimum 0~10 kg/cm²
Minimum process flange ½" x 150#
● Material: Upper & Lower housing: SS316 (standard) ; others on request
● Membrane Material: SS316L+Teflon lining (standard) ;
Options: Hastelloy C276, Tantalum, others on request
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22. FLANGE TYPE DIAPHRAGM SEAL
Series DT128
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: 2" to 4" flange; JIS, ANSI, DIN available
● Temperature Limited: -40ºC~+150ºC;
Cooling element or Capillary line up to 350ºC
● Pressure Range Limited (measurement range):
2": Minimum -1~+1.5 kg/cm² ;
Maximum Up to 250 kg/cm² available, according to flange rating
3": Minimum -760mmHg~0 , -1~+1.5 kg/cm² ;
Maximum Up to 250 kg/cm² available, according to flange rating
4": Minimum 0~0.6 kg/cm² ;
Maximum Up to 250 kg/cm² available, according to flange rating
● Body Material: SS316 (standard), others on request
● Membrane Material: SS316L (standard);
Option: Hastelloy C276, Tantalum, others on request
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23. FLANGE CONNECTION TYPE DIAPHRAGM SEAL - PANCAKE TYPE
Series DT129
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● Instrument Connection: female thread ¼" to ½" BSP or NPT
● Process Connection: 2" to 4" flange; JIS, ANSI, DIN available
● Temperature Limited: -40ºC~+350ºC
● Pressure Range Limited (measurement range):
2": Minimum -1~+1.5 kg/cm² ; Maximum 0~60 kg/cm²
3": Minimum -760mmHg~0 , -1~+0.6 kg/cm² , 0~2.5 kg/cm² ;
Maximum 0~60 kg/cm²
4": Minimum 0~0.6 kg/cm² ; Maximum 0~40 kg/cm²
● Body Material: SS316 (standard), others on request
● Membrane Material: SS316L (standard) ;
Option: Hastelloy C276, Tantalum, others on request
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