Fujian Province Datong Reciprocity Valve Co.,Ltd is a leading China cast steel pressure seal gate valve with bypass, 6 inch water gate valve 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:
Size:2"-48"
Pressure: Class150-2500LB
Material:WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, CF3M, CF8C, CN7M,etc.
Design & Manufacture Std.: API600, ASME B16.34, API6D, BS5351,JIS B2073
Face to Face Std.: ASMEB16.10 ,API 6D
Butt welded end Std.: ASME B 16.25
Test Standard: API598 , API 6D, BS 6755
Operated way: Hand wheel, Gear, Pneumatic, Electric Actuator
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. OUTSIDE SCREW AND YOKE(O. S. Y)
6. Available for high temperature and pressure service
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 |
16 |
EYEBOLT |
A193 B7/B7M |
A193 B16 |
A193 B8 |
17 |
YOKE |
A216 WCB |
A217 WC6 |
A351 CF8 |
18* |
GEAR |
ASSEMBLY |
*AVAILABLE UPON REQUEST FOR CLASS 300 AND ABOVE
*GEAR OPERATOR, ELECTRICAL OPERATOR, PNEUMATIC OPERATOR, HUDRAULIC OPERATOR AND ETC ARE AVAILABLE
NOTE: OTHER MATERIALS ARE AVAILABLE UPON REQUEST
Technical Drawing: