Production Standard:
1. The design according to HG3157-2005
2. Flange dimensions according to customer’s standard
3. Casting according to GB/T 12230-2015
PRODUCT DESCRIPTION
Size Specification:
| Size (inch) | ΦA | ΦB | ΦC | ΦD | E | f | n-Φd | ΦJ | ΦG | L1 | L2 |
| 3” | 140 | 220 | 270 | 50 | 28.5 | 4.5 | 8-Φ26 | 139 | 175 | 85 | 140 |
Material List:
| ITEM | PARTS | MATERIAL |
| 1 | Body | WCB |
| 2 | Disc | WCB |
| 3 | Disc Seal | PTFE |
| 4 | Seat Press Device | 20 |
| 5 | Holding Screw | SS/CS |
| 6 | Seat Seal | PTFE |
| 7 | Seat | WCB |
| 8 | Apex Spring Seat | 45 |
| 9 | Spring | 50CrVA |
| 10 | Spring Seat | 20 |
| 11 | Spring Nut | WCB |
| 12 | Stop Nut | 20 |
| 13 | Safety Cover | NBR |
| 14 | Name Plate | AL |
| 15 | Hinge | CS/SS |
| 16 | Slotted Screw | CS |

FAQ:
Q: How long has the company been established?
Q: Are you a trading company or manufacture?
Q: What is your delivery date?
Q: Do you provide free samples?
Q: What information do you need from me if I want to inquire?
Q: How do you control your quality?