DIAPGHRAGM VALVE PRODUCT’S SIZE:
PRESSURE GRADE FROM TO
CLASS 150 1/2” 10”
DESIGN DESCRIPTION:
Two-piece Splite body bolted cap in design.
Lining PTFE Or PFA body, cap and ball
Ball and stem is integral design.
Long cycle life, Low uniform torques.
Double D Stem Head Design Provides Mounting Of The Lever.
Yoke and holder for actuator is available.
High voltage test for PTFE AND PFA lining.
Uniqure Sealing seat design.
Gear, Pneumatic Actruator, Electric Actruator.
WORKING PRESSURE AND TEMPERATURE:
WORKING TEMPERATURE
MATERIAL CAST STEEL PTFE
CELSIUR SCALE -29 C~425 C -80 C~200 C
FAHRENHEIT 6 F~822 F -80 F~400 F
GENERAL DESIGN SPECIFICATIONS:
ITEM CLASS 125
MANUFACTURE MANUFACTOR STANDARD
FACE TO FACE ANSI B16.10
END FLANGE ANSI B16.5a
INSPECTION AND TEST API 598
LINING VILTAGE TEST 25KV HIGH VOLTAGE
TEST PRESSURE TO API598
CLASS SHELL (WATER) SEAT (WATER) SEAT (AIR) BACK SEAT(WATER)
150 3.1MPA 450PSI 2.2MPA 315PSI 0.6MPA 80PSI 3.1MPA 450PSI
PARTS AND MATERIAL (ASTM)
NO. PARTS NAME MATERIALS
1 BODY WCB+PTFE/PFA
2 BALL WCB+PTFE/PFA
3 CAP WCB+PTFE/PFA
4 NUT CARBON STEEL
5 SPRING WASHER CARBON STEEL
6 SEAT PTFE
7 PACKING BOX WCB+PTFE/PFA
8 STEM PACKING PTFE
9 GLAND NUT CARBON STEEL
10 GLAND WCB
11 NUT CARBON STEEL
12 LEVER WCB
DIMENSIONS LIST(UNIT:MM):
Size DN L H W W(kg)
1/2” 15 110 100 140 3.5
3/4” 20 117 105 140 4
1” 25 127 110 140 5.5
1-1/4” 32 140 130 200 7
1-1/2” 40 165 135 200 9
2” 50 178 145 250 15.5
2-1/2” 65 190 155 250 19.5
3” 80 203 210 350 30
4” 100 229 235 350 40
5” 125 254 255 450 57
6” 150 267 285 450 73.5
8” 200 292 328 550 121
10” 250 330 370 - 159