Concentric AB-W1200 PUMPS-US-2011-7 8 VALVE OPTIONS An optional rear cover provides multiple valve options for the W1200 family. OPTIONS BA & DA OPTIONS AA & CA SCHEMATICS DESCRIPTION Priority Flow Control, Relief on Priority - Side Ports Dynamic Load Sense, Relief on Priority - Side Ports Priority Flow Control, Relief on Priority - Rear Ports Dynamic Load Sense, Relief on Priority - Rear Ports OPTIONS AA* BA CA* DA * Must specify flow control setting. See page 10, Option 10. VALVE OPTION DIMENSIONS NOTE: Dimensions A, B, C, D, and E can be found in chart located on bottom of page 9. Priority Flow Control / Dynamic Load Sense - Side Ports - CW Rotation (as viewed from shaft end) - ORDER CODES AA & BA Priority Flow Control / Dynamic Load Sense - Side Ports - CCW Rotation (as viewed from shaft end) - ORDER CODES AA & BA B Dynamic Load Sense Port 7/16-20 UNF-2B Straight Thread O-ring Port [.67] 17 D Excess Flow Port 1-1/16 - 12 UNF-2B Straight Thread O-ring Port Inlet Port 1-5/16 - 12 UNF-2B Straight Thread O-ring Port A (Overall Height) [2.11] 53.6 [1.91] 48.4 [.55] 14 [2.77] 70.4 Priority Flow Port 3/4-16 UNF-2B Straight Thread O-ring Port [2.58] 65.5 LOAD SENSE [1.93] 49.1 PFC VALVE C C Priority Flow Port 3/4-16 UNF-2B Straight Thread O-ring Port B Dynamic Load Sense Port 7/16 - 20 UNF-2B Straight Thread O-ring Port [.67] 17 [1.43] 36.4 Excess Flow Port 1-1/16 -12 UNF-2B Straight Thread O-ring Port D A (Overall Height) [.79] 20 [2.11] 53.6 [1.91] 48.4 [3.92] 99.5 LOAD SENSE [3.27] 83.1 PFC VALVE Inlet Port 1-5/16 -12 UNF-2B Straight Thread O-ring Port NOTE: Dimensions in brackets are in English units. quality products for mechanical & fluid power ~ jbj Techniques Limited, www.jbj.co.uk UK distributor for Concentric Hydraulics
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