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2257 - Self Vented Diaphragm Operated Pressure Regulator Valve
2258 - Non-Vented Lockable Pressure Regulator Valve
2259 - Self-Venting Lockable Cartridge Style Pressure Regulator Valve

Product Overview

Self vented diaphragm operated pressure regulator valve 2257

" only - refer to manufacturer for details.

Non-vented lockable pressure regulator valve 2258

Flanged " and " only. Duplex stainless steel. Refer to manufacturer for details.

Self venting lockable cartridge style pressure regulator valve 2259

" and " only. Refer to manufacturer for details.


Self Venting Regulator Valve 2250

Materials of Construction

Material Specification Grade
ST. STL (316) BS 970 316S11
Brass BS 2874 CZ 121

Features

   Suitable for most gases and liquids

   Balanced stem no turn down

   Soft seat gives Ansi Class VI leakage 

   Low torque hand wheel


Typical flow characteristics
for " and " regulators

Specification