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Instruction Manual

D101299X012

RSS Valve

September 2014

1. The control valve assembly should be installed in a horizontal pipeline with the v alve stem in a vertical position.

Before installing in any other orientation, consult your Emerson Process Management sales office.

Flowthroughthevalvemustbeinthedirectionindicatedbythearrowcastonthevalve(figure7).

2. With a leak-off bonnet construction, remove the pipe plug (key 20, not shown) and install the leak-off piping into

thetappinginthebonnet(key2,figure10).

3. If continuous operation is required during inspection or maintenance, install a three-way bypass around the control

valve assembly.

4. For a valve used with a fail-closed actuator, remove the shim (key 24, not shown) from between the bonnet and the

travel stop. Discard the shim.

5. If the actuator and valve are shipped separately, refer to the appropriate actuator instruction manual for the

actuator mounting procedure.

Note

Bench sets for Fish er 657 and 667 actuators must be adjusted after installation on the RSS valve. The heavy duty bellows on the

RSSvalvehasasignificantspringratethatmustbe included in the bench set for proper operation.

Figure 2. Typical Line Flange Gasket (Key 17)

PTFE

COMPOSITION

STAINLESS STEEL

SECTION A-A

10B3224-C

A5039

1 2 3 4 5 6 7 8 9 ... 15 16

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Emerson Fisher RSS Bedienerhandbuch Seite 4