DIN Bronze Male Threaded SDNR Valve
Engineered with a robust Rg5 bronze body, metal-seated construction, and a built-in spring-loaded non-return mechanism, this DIN Bronze Male Threaded SDNR Valve ensures reliable positive shut-off and precise throttling for seawater, steam, and oil applications. Fully compliant with BS5154 and GOST 2822 male thread standards, it delivers high durability and exceptional pressure resistance up to PN100, making it the trusted choice for demanding shipboard and industrial pipeline systems.
Overview
Application: This DIN Bronze Male Threaded SDNR (Screw Down Non-Return) Valve is designed for reliable stop and flow throttling of seawater, water, oils, and steam. Featuring a straight Rg5 bronze body with a metal-seated structure and rising stem design, it is highly suitable for demanding marine and industrial pipeline applications.
Material Specification:
| NO | Part | Material |
|---|---|---|
| 1 | Body | Bronze |
| 2 | Disc | Bronze |
| 3 | Stem | Brass |
| 4 | Bonnet | Bronze |
| 5 | Packing | PTFE |
| 6 | Gland | Brass |
| 7 | Gland Nut | Brass |
| 8 | Handwheel | Cast iron |
| 9 | Spring | SS |
Technical Specifications:
Design Standard: BS5154
Thread Standard: GOST 2822 (Male thread)
Test Standard: EN 12266
Nominal pressure: 4.0 / 10.0MPa
Applicable temperature: ≤200℃
Pressure rating: PN40, PN100
Drawing:

Dimensions (Unit: mm):
| PN | DN | L | ≈H | H1 | D | D0 |
|---|---|---|---|---|---|---|
| 40 | 10 | 94 | 109 | 16 | M27X1.5 | 80 |
| 15 | 110 | 144 | 25 | M36X2 | 100 | |
| 20 | 116 | 154 | 32 | M39X2 | 100 | |
| 25 | 130 | 168 | 38 | M48X2 | 140 | |
| 32 | 140 | 190 | 46 | M56X2 | 140 | |
| 100 | 15 | 120 | 155 | 27 | M36X2 | 140 |
| 20 | 134 | 185 | 32 | M39X2 | 140 | |
| 25 | 134 | 195 | 38 | M48X2 | 140 | |
| 32 | 146 | 210 | 46 | M56X2 | 140 |
