Gestra RK86 – Chrome Steel Body, To Suit BS10, BS4505 & ANSI Flanges
Gestra
Gestra has been at the forefront of steam and process control technology for well over a century, earning a worldwide reputation for engineering quality, reliability and innovation. As part of the Spirax Group, Gestra products are trusted across industrial, commercial and energy sectors, offering dependable solutions for steam, condensate and fluid control applications. Designed to exacting standards and manufactured for long service life, Gestra valves are recognised for their robust construction, precision performance and proven reliability in demanding operating environments.
Key Information
The Gestra RK86 Wafer Design Non-Return Valve is a compact, spring-loaded check valve designed to prevent reverse flow in industrial liquid, gas and steam systems. Manufactured with a durable chromium steel body and austenitic stainless steel internal components, the valve features a metal-to-metal seat for dependable performance at elevated temperatures. Its wafer design allows installation between a wide range of flange standards, making it an ideal solution for industrial process, heating and steam applications where space is limited.
Features
- Wafer Pattern Design – Compact face-to-face dimensions allow installation between compatible flanges where space is limited.
- Metal-to-Metal Seat – Provides reliable sealing performance in high-temperature industrial applications.
- Chromium Steel Construction – Chromium steel body with austenitic stainless steel disc and spring for excellent strength and corrosion resistance.
- Multi-Standard Flange Compatibility – Suitable for PN6, PN10, PN16, PN25, PN40 and ANSI Class 125, 150 & 300 flanges.
- 40 Bar Pressure Rating – Designed for operating pressures up to 40 bar with an operating temperature range of -10°C to 350°C.
- Spring-Loaded Non-Return Valve – Fast-acting spring-assisted design helps prevent reverse flow in industrial liquid, gas and steam systems.
| VIP Code | Gestra Code | Size |
|---|---|---|
| 15/0172/015 | GES21647 | 1/2″ |
| 15/0172/020 | GES21648 | 3/4″ |
| 15/0172/025 | GES21649 | 1″ |
| 15/0172/032 | GES21650 | 1 1/4″ |
| 15/0172/040 | GES21651 | 1 1/2″ |
| 15/0172/050 | GES21652 | 2″ |
