WKM Pow-R-Seal
Double expanding gate valve
Enhanced safety and seal reliability.
WKM Saf-T-Seal
Slab gate valve
Overview
Simple yet rugged and reliable through-conduit valve
The WKM™ Saf-T-Seal™ slab gate valve uses two floating seats to provide a complete seal with the gate. Each seat has a metal face and a peripheral seal. The fullbore design creates the same pressure drop as an equivalent length of pipe and allows passage of all types of scrapers (pigs).
Applications
The valves are designed for a wide range of applications, including
- mainline and manifold valves
- tank and station valves
- storage wells
- brine-flood or waterflood valves
- safety valves or emergency shutdown (ESD) valves.
Benefits
Reliable performance and long life
The Saf-T-Seal valve's through-conduit design provides the following advantages:
- protection of seat faces
- smooth, continuous conduit for flow
- block-and-bleed capability
- capability for inline, field repairs
- certified fire safe to API Spec 6FA and ISO 10497
- fugitive emissions certified per ISO 15848-1.
Features
- The stem seal is a single fugitive emissions– and fire-tested SLS™ spring-loaded lip seal, which reduces maintenance requirements and eliminates the need for plastic packing.
- Spring-loaded seats relieve internal body pressure.
- Stem back seat per API Spec 6D prevents stem ejection.
- Metal-to-metal seal between the stem and bonnet in the upward position isolates the stem seal from line pressure.
- Seat and stem injection of lubricant or emergency sealant reduce operating torques, help increase valve life, and provide emergency sealing capability.
- Installation orientation is flexible.