1. Product Summary
| Parameter | Specification |
|---|
| Product | Bronze Vertical Check Valve (Screwed) |
| Design standard | IS 778, Class-1 |
| Material | Bronze |
| Service | Water, Oil |
| Max working temperature | 45°C |
2. Design Features
- Screwed Female Ends to IS 554 / BS 21 / ISO 7
- Single Piece Design
- Meant for Vertical Lines Only
- Permits flow in one direction and closes automatically if the flow reverses
- Design Standard IS 778, Class-1
- Also available with metal to metal seating
3. Hydrostatic Test Pressures
| Test | Pressure |
|---|
| Shell | 1.5 MPa |
| Seat | 0.25 MPa |
4. Bill of Materials
| P.No. | Part | Material | Spec. | Qty. |
|---|
| 1 | Body | Bronze | IS 318 Gr. LTB 2 | 1 |
| 2 | Disc | Bronze | IS 318 Gr. LTB 2 | 1 |
| 3 | Nut | Brass | IS 319 Gr. 2 (Half Hard) | 1 |
| 4 | Split Pin | Brass | – – – | 1 |
| 5 | ‘O’ Ring | Nitrile Rubber | IS 5192 – 1 | 1 |
| 6 | Spring | Stainless Steel | Type 304 | 1 |
5. Sizes / Dimensions
| Size (Inches) Size (mm) A ±1.5 B |
|---|
| 1/2 | 15 | 65 | 1/2″ |
| 3/4 | 20 | 70 | 3/4″ |
| 1 | 25 | 75 | 1″ |
| 1 | 1/4 | 32 | 85 | 1 | 1/4″ |
| 1 | 1/2 | 40 | 95 | 1 | 1/2″ |
| 2 | 50 | 110 | 2″ |
6. Enquiries
Email: info@supremevalves.in · Tel: +91 97732 78770