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 |
| 2” | 94 | 125 | 160 | 35 | 20 | 3 | 4-Φ18 | 70 | 100 | 99.5 | 291 |
| 3” | 131 | 190 | 235 | 53 | 24 | 4 | 8-Φ23 | 97.5 | 160 | 125 | 349 |
| 4” | 176 | 220 | 270 | 68 | 26 | 4.5 | 8-Φ27 | 162 | 186 | 123.5 | 281 |
| 2” | 220 | 160 | 200 | 53 | 24 | 4 | 8-Φ18 | 98 | 125 | 132 | 358 |
Material List
| ITEM | PARTS | MATERIAL |
| 1 | Stem | 20Cr13 |
| 2 | Lock Nut | A2-70 |
| 3 | Thick Nut | A2-70 |
| 4 | Spring Seat | 20Cr13 |
| 5 | Ball-Face Washer | 20Cr13 |
| 6 | Spring | 50CrVA |
| 7 | Body | CF8/CF8M |
| 8 | Disc Nut | 20Cr13 |
| 9 | Disc Ball-Face Washer | 20Cr13 |
| 10 | Seat | PTFE |
| 11 | Disc | 06Cr19Ni10 |
| 12 | Disc Holder | 20Cr13 |
| 13 | Stop Screw | 45 |
| 14 | Valve Cover | WCB |
| 15 | Safety Cover | NBR |
| 16 | Cruciform Slot Screw | CS |
| 17 | Stainless Steel Line | 12Cr18Ni9 |
| 18 | Slotted Nut | A2-70 |
| 19 | Holding Screw | CS |
| 20 | Hinge | SS/CS |
| 21 | Name Plate | Al |
| 22 | Lead Sealing | Pb |

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?