Kunkle 918BDCB01BQE 1/2"x3/4" Bronze Vacuum Relief Valve
SKU: /KUN918BDCB01BQE
Kunkle 918BDCB01BQE — 1/2"x3/4" bronze vacuum relief valve, set vacuum range 6.0 Inches of HG to 29.0 Inches of HG - Subject to Tri-clover & Flanged T&P limitations. As Model 912 except resilient seat/seal. Superior ‘leak-free’ performance. FM approved with 316 SS base for fire pump installations in ‘BDD’ and ‘BDE‘ sizes. FM requires Variation 10, 11, or 12.
Specifications
| Manufacturer | Kunkle (Emerson) |
|---|---|
| Manufacturer Part Number | 918BDCB01BQE |
| Series | Kunkle 918 |
| Product Type | Vacuum Relief Valve |
| Valve Service | Vacuum (threaded cap/packed lever only) |
| Body & Trim | Bronze body with SS / Bronze Trim |
| Connection Type | Male x female NPT |
| Inlet Size | 1/2" |
| Outlet Size | 3/4" |
| Orifice Designation | D |
| Orifice Area | 0.1213 in² |
| Minimum Set Vacuum | 6.0 Inches of HG |
| Maximum Set Vacuum | 29.0 Inches of HG - Subject to Tri-clover & Flanged T&P limitations |
| Temperature Range | -30°F — Subject to Flanged / Tri-clover T&P Limitations to 250°F — Subject to Flanged / Tri-clover T&P Limitations |
| Seat Material | Buna-N (NBR) |
| Spring Material | Stainless |
| Lever / Variation | Threaded cap |
| Design Revision | Design Revision 2 - If soft seated, they are o-ring soft seats. |
| Lead Time | 1 - 2 business days |
| Federal SKU | /KUN918BDCB01BQE |
Documentation
- Kunkle Series 900 Safety Relief Valves — Data Sheet (VCTDS-00392-EN)
- Kunkle Data Supplement — Sizing & Selection (VCTDS-00396-EN)
- Kunkle Pressure Relief Valve IOM (VCIOM-01873-EN)
- Kunkle Series 900 — Emerson Product Page
Available from Federal Thermal
Distributed from Federal Thermal Solutions — Oklahoma City and Tulsa. Built, set and tested to your specified setting by an ASME / National Board certified assembler. Call (405) 239-7301 OKC or (918) 249-1918 Tulsa to confirm availability and place an order.