简要说明：

　　INSTALLATION
CONNECTION 1/4" NPTF 1/2" NPTM
MOUNTING Replaces the standard base & piston assembly on the "R-PILOT" pressure sensor
PORT D Sensing Pressure Inlet 3 -10 psi (.21-.69 BAR) Orifice .187" (4.75 mm)
OPERATION
The BWB "LP" assembly is utilized when the sensing pressure is below 1 0 psi by choosing the
appropriate inlet, the sensor can detect pressure above (PSH) or below (PSL) the desired pressure
setting. By loosening or tightening the adjustment bolt, the sensor ma y be set between 3 to 10 psi it is
normally installed on a process vessel, process flow line, or in a control panel the sensor receives
sensing pressure (PORT D) from the component which it is monitoring and supply pressure from the
safety system which it will shutdown.
During normal operation, the sensing pressure (PORT D) should remain either above or below the
desired setting. When the sensing pressure (PORT D) rises above or falls below the set pressure, the
sensor will block the supply pressure and bleed the outlet through the exhaust; thus closing the
actuator or system.
When the sensing pressure (PORT D) returns to normal operating limits, the sensor will
automatically reset.
FEATURES
Specify VITON o-rings for pneumatic service or BUNA-N o-rings for hydraulic service

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XX-155-167-D024 VSG-3301-XX-3433-D024 VSG-3301-XX-3530-A120 VSG-3301-XX-44-D024 VSG-3301-XX-A120 VSG-3301-XX-D012 VSG-3301-XX-D024 VSG-3311-A120 VSG-3311-G-3-A120 VSG-3311-G-

P-3-A120 VSG-3311-G-S-U-A120 VSG-3311-G5R-P-3-A120 VSG-3311-G5R-P-A120 VSG-3311-HC-M-3530-A120 VSG-3311-HC-M-U-10-14-55M-A120 VSG-3311-HC-M-U-10-14-55M-D024 VSG-3311-HCL-U2-

16A-A120 VSG-3311-HCL-U2-16B-A120 VSG-3311-M-A120 VSG-3311-M-P-3-A120 VSG-3311-M-P-3-D024 VSG-3311-M-U-3530-A120 VSG-3311-M-U-A120 VSG-3311-M5R-A120 VSG-3311-M5R-P-3-A120 VSG

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E110 VSG-3321-16B-E220 VSG-3321-16B-XX-D024 VSG-3321-200-D012 VSG-3321-21-31-5144-D024 VSG-3321-2B-14-31-D024 VSG-3321-2B-3-14-31-A120 VSG-3321-2B-A120 VSG-3321-3-31-F120 VSG

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316-H2-HT-ST-XX-D024 VSG-3321-316-H2-HT-XX-D024 VSG-3321-316-H2-LA-XX-D024 VSG-3321-316-H2-LA-XXD-D024 VSG-3321-316-H2-LB-ME-XX-D024 VSG-3321-316-H2-LB-ST-XX-D024 VSG-3321-

316-H2-LB-XX-D024 VSG-3321-316-H2-ME-U-A120 VSG-3321-316-H2-ME-U-D024 VSG-3321-316-H2-ME-XX-44-A120 VSG-3321-316-H2-ME-XX-A120 VSG-3321-316-H2-ME-XX-D024 VSG-3321-316-H2-ME-

XXG-D024 VSG-3321-316-H2-ME-XXP-D024 VSG-3321-316-H2-ME-XXQ-D024 VSG-3321-316-H2-ME-XXU-D024 VSG-3321-316-H2-PC-XX-A120 VSG-3321-316-H2-PC-XX-D024 VSG-3321-316-H2-S-XN-D024

VSG-3321-316-H2-S-XXN-D024 VSG-3321-316-H2-S-XXR-44-D024 VSG-3321-316-H2-S-XXR-D024 VSG-3321-316-H2-ST-XX-44-D024 VSG-3321-316-H2-U-A120 VSG-3321-316-H2-XMAA-D024 VSG-3321-

316-H2-XX-A120 VSG-3321-316-H2-XX-D024 VSG-3321-316-H2-XXE-44-D024 VSG-3321-316-H2-XXE-44-D125 VSG-3321-316-H2-XXE-D024 VSG-3321-316-H2-XXF-D024 VSG-3321-316-H2-XXG-D024 VSG-

3321-316-H2-XXJ-D024 VSG-3321-316-H2-XXK-D024 VSG-3321-316-H2-XXS-D024 VSG-3321-316-HC-ME-U-A120 VSG-3321-316-HC-ME-XISX6-D024 VSG-3321-316-HC-U-2B-D024 VSG-3321-316-HC-U-A120

VSG-3321-316-HC-U-D024 VSG-3321-316-HC-XISX6-D024 VSG-3321-316-HCC-XISX6-D024 VSG-3321-316-HE-XDAS-D024 VSG-3321-316-HE-XDAS-E115 VSG-3321-316-HE-XDAT-D024 VSG-3321-316-HT-H2

-ME-XX-A120 VSG-3321-316-HT-H2-XX-D024 VSG-3321-316-HT-K14-U-A120 VSG-3321-316-HT-LA-XX-D024 VSG-3321-316-HT-LB-ME-XX-D024 VSG-3321-316-HT-ME-PC-XX-D024 VSG-3321-316-HT-ME-U-

D024 VSG-3321-316-HT-PC-ST-XN-D024 VSG-3321-316-HT-PC-ST-XX-D024 VSG-3321-316-HT-PC-U-A120 VSG-3321-316-HT-PC-XX-D024 VSG-3321-316-HT-PC-XX-E220 VSG-3321-316-HT-ST-XN-D024

VSG-3321-316-HT-ST-XX-D024 VSG-3321-316-HT-U-A120 VSG-3321-316-HT-XDAS-303-D024 VSG-3321-316-HT-XDAS-D024 VSG-3321-316-HT-XN-D024 VSG-3321-316-HT-XX-A120 VSG-3321-316-HT-XX-

D024 VSG-3321-316-L14-S-XXE-D024 VSG-3321-316-L14-ST-XX-D024 VSG-3321-316-L14-XX-A120 VSG-3321-316-L14-XX-D024

VSG-3321-316-L14-XXE-D024 VSG-3321-316-LA-ME-XX-D024 VSG-3321-316-LA-ST-XN-D048 VSG-3321-316-LA-XN-D024 VSG-3321-316-LA-XX-D024 VSG-3321-316-LB-ME-XX-D024 VSG-3321-316-LB-PC-

ST-XX-D024 VSG-3321-316-LB-PC-XX-D024 VSG-3321-316-LB-ST-XX-D024 VSG-3321-316-LB-XN-D024 VSG-3321-316-LB-XX-44-D024 VSG-3321-316-LB-XX-A120 VSG-3321-316-LB-XX-D024 VSG-3321-

316-LB-XX-D048 VSG-3321-316-ME-5104-D024 VSG-3321-316-ME-PC-ST-XX-D024 VSG-3321-316-ME-PC-U-A120 VSG-3321-316-ME-PC-XX-D024 VSG-3321-316-ME-U-44-D024 VSG-3321-316-ME-XN-D024

VSG-3321-316-ME-XX-A120 VSG-3321-316-ME-XX-D012 VSG-3321-316-ME-XX-D024 VSG-3321-316-ME-XXJ-D024 VSG-3321-316-ME-XXK-D024 VSG-3321-316-PC-ST-XN-D024 VSG-3321-316-PC-ST-XX-D024

VSG-3321-316-PC-U-A120 VSG-3321-316-PC-U-D024 VSG-3321-316-PC-XX-44-A120 VSG-3321-316-PC-XX-44-D024 VSG-3321-316-PC-XX-44-D125 VSG-3321-316-PC-XX-A120 VSG-3321-316-PC-XX-A240

VSG-3321-316-PC-XX-D024 VSG-3321-316-PC-XX-D125 VSG-3321-316-S-XXJ-44-D024 VSG-3321-316-ST-XN-D024 VSG-3321-316-ST-XX-A120 VSG-3321-316-ST-XX-D024 VSG-3321-316-U-A120 VSG-

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-D048 VSG-3321-316-XDAT-D024 VSG-3321-316-XDAT-D048 VSG-3321-316-XDAT-D110 VSG-3321-316-XDAT-E115 VSG-3321-316-XDAT-E230 VSG-3321-316-XIFA-D024 VSG-3321-316-XIFF-D024 VSG-

3321-316-XMAA-D024 VSG-3321-316-XMAF-D024 VSG-3321-316-XN-D024 VSG-3321-316-XNF-D049 VSG-3321-316-XNK-D024 VSG-3321-316-XX-44-D024 VSG-3321-316-XX-A024 VSG-3321-316-XX-A120

VSG-3321-316-XX-A240 VSG-3321-316-XX-D024 VSG-3321-316-XX-D120 VSG-3321-316-XX-D125 VSG-3321-316-XX-E110 VSG-3321-316-XXE-D024 VSG-3321-316-XXF-D024 VSG-3321-316-XXF-D125 VSG

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A012 VSG-3321-A024 VSG-3321-A120 VSG-3321-A240 VSG-3321-A435 VSG-3321-CB-G-H-XX-167-D024 VSG-3321-CB-G-MS-XX-167-D024 VSG-3321-CD-H2-MS3-3567-D024 VSG-3321-CD-XX-D024 VSG-

3321-CR1-G-H-XX-D024 VSG-3321-D-3-D024 VSG-3321-D-A120 VSG-3321-D-XX-D024 VSG-3321-D012 VSG-3321-D024 VSG-3321-D120 VSG-3321-D125 VSG-3321-DD-G-MS-3-243-D024 VSG-3321-DD-G-MS

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VSG-3321-G-H-HT-XX-E110 VSG-3321-G-H-MS-PC-167-D024 VSG-3321-G-H-MS-VP2-XX-D024 VSG-3321-G-H-MS-XX-167-D024 VSG-3321-G-H-MS-XX-D024 VSG-3321-G-H-MS3-XX-A120 VSG-3321-G-H-MS3-

XX-D024 VSG-3321-G-H-PC-XX-A120 VSG-3321-G-H-PC-XX-D024 VSG-3321-G-H-PC-XX-D048 VSG-3321-G-H-PS-XX-D048 VSG-3321-G-H-U-3-21-31-D012 VSG-3321-G-H-U-3-21-31-D024 VSG-3321-G-H-

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XX-D024 VSG-3321-G-H-XX-D115 VSG-3321-G-H-XX-D120 VSG-3321-G-H2-XX-D024 VSG-3321-G-H2-XX-E240 VSG-3321-G-HC-A120 VSG-3321-G-HC-U-200-3530-A120 VSG-3321-G-MS-D024 VSG-3321-G-

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