Click on the image to check the artwork
By certification 
Fujian Province Datong Reciprocity Valve Co.,Ltd is a leading China cast steel pressure seal swing check valve, nozzle check 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 sealing Swing Check Valve flange connection.STANDARDS:
1. DESIGN AND MANUFACTURE: |
BS 1868/ASME B16.34/API 6D |
2. FACE TO FACE DIMENSIONS: |
ASME B16.10 |
|
3. FLANGE ENDS DIMENSIONS: NPS1/2”-24” |
ASME B16.5 |
NPS 26”-36” |
ASME B16.47 |
4. BW ENDS DIMENSIONS: |
ASME B16.25 |
5. PRESSURE-TEMPERATURE RATINGS: |
ASME B16.34 |
6. NORMAL PRESSURE: |
CLASS 900~2500 |
7. NORMAL DIAMETER: |
NPS 2″~24″ |
Design Feature:
1. Pressure Seal Bonnet(PSB) Design
2. Swing Disc: Disc Is Fastened Securely To Disc Hanger With a Lock Nut And Copter Pin
3. Seat Type: Welder Seat Or Integral Seat
4.Main Material:ASTM A216 WCB, A217 Wc6, A351 CF8, A351 CF8M etc.
Main Material List for our check valves:
ITEM |
PARTNAME |
STANDARD |
ALLOY CARBON STEEL |
STAINLESS STEEL |
1 |
BODY |
A216 WCB |
A217 WC6 |
A351 CF8M |
2 |
SEAT |
A105 |
A182 F11 |
A182 F316 |
3 |
DISC |
A216 WCB |
A217 WC6 |
A351 CF8M |
4 |
DISC NUT |
CARBON STEEL |
STAINLESS STEEL |
316 SS |
5 |
HINGE |
A216 WCB |
A217 WC6 |
A351 CF8M |
6 |
HINGE PIN |
A276 410 |
A276 410 |
A276 316 |
7 |
YOKE |
A216 WCB |
A217 WC6 |
A351 CF8M |
8 |
SEALING RING |
AISI 1008 |
SS304L/SS316L |
SS316/SS316L |
9 |
BONNET |
A216 WCB |
A217 WC6 |
A351 CF8M |
10 |
SEGMENT RING |
A276 410 |
A276 410 |
A276 316 |
11 |
COVER |
A216 WCB |
A217 WC6 |
A351 CF8M |
12 |
BOLT |
A193 B7/B7M |
A193 B16 |
A193 B8M |
13 |
NUT |
A194 2H/2HM |
A194 4 |
A194 8M |
SEALING FACE OVERLAY |
API TRIMS AVALIABLE |
|||
Note:Other Materials Are Available Upon Request
Technical Drawing(for your reference):
Our Advantage:
1). Scale: 82,000.00 square meters non-dust workshop
2). The foundry is built to promise our raw material better before production.
3). Equipment: 350 sets advanced machining facilities, 5 automatic production lines
4). R&D: valve research and design center
5). Strict QC system is set up for the superior quality guarantee.
