Product Overview

The Fisher Type 6351 pilot controls pilot-operated regulators such as the 1098-EGR. The Type 6351 is the low-pressure member of the 6350 series, with an unbalanced valve plug and simple, rugged construction.

Key Features

• Kit R6351X00012 includes body plug O-ring, inner valve, plug spring and diaphragm assembly

• Inner valves in NBR or FKM elastomers with brass or stainless steel stems

• Diaphragm assembly 1B7980000B2 with plated steel diaphragm disk

• Control spring ranges of 3-20, 5-35 and 35-100 psig (0.21 to 6.9 bar)

• Aluminum or stainless steel pilot body with NACE material options

Typical Applications

Natural gas distribution and industrial fuel gas supply lines controlled by 1098-EGR, EZL and similar Fisher pilot-operated reducing regulators.

Selection Guide

Match the control spring range and stem material to your pilot nameplate; older units may need the updated body plug O-ring. Send us the serial or FS number for a exact quote.