Emerson SR8 Manuál s instrukcemi

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Type SR8
D103100X012
Instruction Manual
Form 5787
February 2006
R
www.emersonprocess.com/regulators
Type SR8 Sanitary Backpressure Regulator
Introduction
Type SR8 self contained backpressure regulators
are suitable for pressure control of steam, liquid, or
gaseous service. Typical set points range from 2 to
125 psi (0,2 to 8,6 bar). The regulator is designed to
meet sanitary application and material requirements.
Scope of the Manual
This manual provides installation, startup,
maintenance, and parts ordering information for the
Type SR8 Sanitary Backpressure Regulator.
Principle of Operation
Pressure in the controlled system (regulator inlet
pressure) registers beneath the diaphragm of the
regulator and opposes the force provided by the
predetermined spring compression. When regulator
spring force exceeds diaphragm force exerted by
the inlet pressure, the spring will keep the valve plug
closed to prevent ow to the downstream system. As
inlet pressure increases above setpoint, this increase
registers on the diaphragm and the valve plug opens
to allow ow to the downstream system.
Figure 1. Type SR8
W8967
Figure 2. Operational Schematic
INLET PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
Patents Pending
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Shrnutí obsahu

Strany 1 - Type SR8

Type SR8D103100X012Instruction ManualForm 5787February 2006Rwww.emersonprocess.com/regulatorsType SR8 Sanitary Backpressure RegulatorIntroductionType

Strany 2

Type SR810APPLY LUB SEALANTSOFT SEAT OPTIONDETAIL AT-HANDLE OPTIONFigure 6. Type SR8 Backpressure Sanitary Regulator Assembly Drawing2 and 3-Inch Size

Strany 3

Type SR811APPLY LUB SEALANTDETAIL AVACUUM PROTECTION OPTION METAL DIAPHRAGM OPTIONFigure 7. Type SR8 Sanitary Backpressure Regulator Assembly with Pre

Strany 4

Type SR8The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher

Strany 5

Type SR82SpecicationsBody Size, Inlet and Outlet Connection Style1/2, 3/4, 1, 1-1/2, 2, and 3(DN 15, 20, 25, 40, 50 and 80)End Connection(4)Tri-Clamp

Strany 6

Type SR83BODY SIZE, INCHES (DN)OUTLET PRESSURE RANGES, PSIG (bar)COLORMAXIMUM DIFFERENTIAL PRESSURE, PSID (bar d)1/2, 3/4 (15, 20)2 to 8 (0,2 to 0,5

Strany 7

Type SR84Regulators should be installed, operated, and maintained in accordance with federal, state, and local codes, rules and regulations, and Fishe

Strany 8

Type SR85Over pressuring any portion of this equipment may result in equipment damage, leaks in the valve, or personal injury due to bursting of press

Strany 9

Type SR86T-HANDLE OPTIONFigure 4. Type SR8 Backpressure Sanitary Regulator Assembly Drawing1/2 through 1-1/2-Inch Sizes (DN 15 through 40)VIEW B – ME

Strany 10

Type SR87Figure 5. Type SR8 Sanitary Backpressure Regulator Assembly with Pressure Loaded Spring Case1/2 through 1-1/2-Inch Sizes (DN 15 through 40)V

Strany 11

Type SR88Parts ListKey Description Part Number Parts Kits Diaphragm Kits (includes keys 3, 5, and 7. Stainless steel kits include key 6, q

Strany 12

Type SR89Key Description Part Number14 Spring Case 1/2 and 3/4-inch (DN 15 and 20) bodies CF8M Standard GE06767X012 P

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