Manifolds
3-way manifolds — highest Cv in industry, tested to 11,500 PSI
3-way changeover manifolds for dual safety relief valve installations per ASHRAE 15 and IIAR 2. Available as Quick Release Manifolds, cast handwheel assemblies, and inline steel models in carbon steel or stainless steel with threaded or weldable connections.
Highest Cv in industryTested to 11,500 PSICarbon steel or SSThreaded or weldable
| Specification | 843 ManifoldView specs | 843B ManifoldView specs | 843F ManifoldView specs | 844 ManifoldView specs | 844B ManifoldView specs | 844F ManifoldView specs |
|---|---|---|---|---|---|---|
| Size | 1/2" | 1/2" | 1/2" | 3/4" | 3/4" | 3/4" |
| Manifold Material Type | Ductile Iron | Brass | Ductile Iron | Ductile Iron | Brass | Ductile Iron |
| Threaded | Yes | Yes | Yes | Yes | Yes | Yes |
Why Cyrus Shank
Every manifold is built the same way
ASME Certified Quality
Manufactured and documented to the standards your inspectors and codes require.
Custom Set Pressures
Factory-set to your exact spec at no additional charge on any model in the family.
100% Bench Tested
Every unit is individually tested and verified before it leaves our factory.
American-Made Since 1912
Precision-machined in Williamsport, PA by a family-owned manufacturer.
Where It's Used
Manifolds for demanding refrigeration systems
Frequently Asked Questions