Kunkle Series 900 Valve

Overview

Model 910: Carbon Steel (CS) body and bonnet with Stainless Steel (SS) trim.
Model 911: All SS construction.
Model 916: Same as model 910 resilient seat/seals. Superior “leak-free” performance.
Model 917: Same as model 911 except for resilient seat/seals. Superior “leak-free performance.
Model 920: Steel body and bonnet with screwed cap and stainless steel spring for organic fluid vaporizers (ASME Section I -“V” Special Use or application).
Model 921: Steel body and bonnet with plain lift lever and stainless steel spring for forced flow steam generators (ASME Section I – “V” Special Use or application).
Model 927: Steel body and bonnet with packed lift lever and SS spring for high temperature/pressure hot water boilers (ASME Section I – “V” Special Use or application)
Model 912: Full nozzle design. Stainless Steel (SS) warn ring and disc with brass/bronze base. Bronze/brass body and bonnet.
Model 913: Full nozzle design. Bronze/brass body and bonnet. 316 SS trim (base, disc, and disc holder).
Model 918: Same 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” sizes2.
Model 919: Same as model 913 except resilient seat/seal. Superior “leak-free performance. Bronze body and bonnet. 316 SS trim (base, disc, and disc holder).

Air/gas compressors, intercoolers, aftercoolers.
Liquid filled pressure vessels/systems, ASME Section VIII (UV).
Vacuum systems including pumps, tanks, and equipment.
Pressure vessels – containing gas, air, liquid, or steam, including tanks and receivers.
Oil/gas separators.
Overpressure relief and protection of pumps, tanks, lines, and hydraulic systems.
Bypass relief or pressure regulation.
All SS Model 911 may be suitable for sanitary/edible applications.
Process and industrial corrosive applications

Pressure and Temperature range per model

Model 910:
-20°/800°F [-28.9°/427°C]Model 911:
-320°/800°F [-195°/427°C]Models 916 and 917: Temperatures limited by Elastomer seat material.

Models 912, 918: – Steam
3 to 250 psig [0.2 to 17.2 barg]1
-320° to 406°F [-195° to 208°C]

Models 913, 919: – Steam
3 to 300 psig [0.2 to 20.7 barg]1
-320° to 425°F [-195° to 219°C]

Models 912, 918: – Air/Gas/Liquid
3 to 300 psig [0.2 to 20.7 barg]
-320° to 406°F [-195° to 208°C]

Models 913, 919: – Air/Gas/Liquid
3 to 1400 psig [0.2 to 96.5 barg]
-320° to 425°F [-195° to 219°C]

Standards

ASME

Available with soft seats.
Threaded cap standard (backpressure tight). Maximum back pressure 50 psig [3.4 barg].1
Hex on valve nozzle provides for easy installation.
Warn ring offers easy adjustability.
Pivoting disc design offers exceptional seat alignment.
Guide to nozzle ratio reduces friction.
Valve bodies are heavy-duty casting.
Full nozzle design for optimum flow performance.
Threaded side outlet for piped-off discharge to eliminate fugitive emissions.
Each Kunkle valve is tested and inspected for pressure setting and leakage

Please complete this form and we will respond promptly.