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Fujian Province Datong Reciprocity Valve Co.,Ltd is a leading China pressure seal bonnet gate valve with bypass manufacturer and supplier, and as a professional company, we have productive factory to offer you good price and service.
Fujian Province Datong Reciprocity Valve Co.,Ltd Manufactured, cast steel pressure seal bonnet Gate Valve with bypass.Standard:
DESIGN AND MANUFACTURE |
API 600 |
FACE TO FACE DIMENSIONS |
ASME B16.10 |
|
FLANGE ENDS DIMENSIONS NPS 1/2''~24'' NPS 26''~36'' |
ASME B16.5 ASME B16.47 |
BW ENDS DIMENSIONS |
ASME B16.25 |
PRESSURE-TEMPERATURE RATINGS |
ASME B16.34 |
NORMAL PRESSURE |
CLASS 900-2500 |
NORMAL DIAMETER |
NPS 2''-16'' |
Design Feature:
1. PRESSURE SEAL BONNET(PSB)DESIGN
2. WEDGE TYPE:FLEXIBLE WEDGE,SOLID WEDGE,DOUBLE WEDGE
3. BACK SEAT DESIGN
4. STEM IS INTEGRALLY FORGED AND CONNECTED WITH WEDGE BY T-JOINT
5. PACKING IS FLEXIBLE GRAPHITE OR OTHER MATERIALS ACCORDING TO CLIENTS REQUIREMENTS,AND A SPRING LOADED MECHANISM CAN BE PROVIDED AS PER SPECIAL REQUIREMENTS
6. OUTSIDE SCREW AND YOKE(O. S. Y)
MATERIAL LIST
ITEM |
PARTNAME |
STANDARD |
ALLOY CARBON STEEL |
STAINLESS STEEL |
1 |
BODY |
A216 WCB |
A217 WC6 |
A351 CF8M |
2 |
SEAT |
A105 |
A182 F11 |
A182 F316 |
3 |
WEDGE |
A216 WCB |
A217 WC6 |
A351 CF8M |
4 |
STEM |
A182 F6 |
AISI 4140/4340 |
A182 F316 |
5 |
SEALING RING |
AISI 1008/SS304L/SS316L |
||
6 |
BONNET |
A216 WCB |
A217 WC6 |
A351 CF8M |
7 |
THRUST RING |
A276 410 |
A276 410 |
A276 316 |
8 |
SEGMENT RING |
A276 410 |
A276 410 |
A276 316 |
9* |
LANTERN RING |
276 410 |
276 410 |
A276 316 |
10 |
RETAINER |
AISI 1025 |
182 F11 |
182 F316 |
11 |
BOLT/NUT |
A193 B7,B7M/A194 2H,2HM |
A193 B16/A194 4 |
A193 B8M/A194 8M |
12 |
PACKING |
GRAPHITE/PTFE |
||
13 |
GLAND |
276 410 |
276 410 |
A276 316 |
14 |
GLAND FLANGE |
A216 WCB |
A217 WC6 |
A351 CF8 |
15 |
GLAND NUT |
A194 2H/2HM |
A194 4 |
A194 8 |
