Pneumatic And Hydraulic Equipment Page 690

R18 R74 Shown, R07, R08, R17, R72 Similar 18-025-003 (R07) 4461-50 (R73) 4368-51 (R74) 5570-04 (R17) Dimensions (inches) * 1.19" for regulators with 3/4" and 1" ports; 1.32" for regulators with 1-1/4" and 1-1/2" ports. C Type A B Knob T-handle D E F G H J K L M N O P R S T R07 1.63 0.39 2.91 0.75 0.95 0.25 1.19 2.13 1.50 1.50 2.47 1.41 1.00 0.38 0.69 0.31 0.51 0.22 R72 1.97 1.30 1.02 0.16 .16 3.70 (H &D) R73 2.75 1.54 5.34 5.58 1.00 1.22 0.45 1.89 3.42 2.00 2.50 2.75 1.50 1.50 1.00 1.50 0.65 0.27 R74 3.15 1.69 6.67 7.64 1.45 1.24 0.25 2.06 3.65 2.00 3.50 3.37 22.06 1.38 0.90 2.20 0.95 0.28 R17 4.25 2.38 7.09 8.07 1.19* 1.22 0.16 2.28 2.92 2.00 3.50 4.50 3.19 1.75 1.19 2.16 1.08 0.28 R18 5.98 3.56 9.71 2.72 3.13 2.00 conventional R18 5.98 3.56 9.71 2.72 3.13 2.00 feedback Specifications Fluid: Compressed air Inlet Pressure - R07, R17, R72, R73, R74: 300 psig maximum R18: 10 psig minimum to 450 psig maximum Temperature Range - R07, R72: 0 to 150 degrees F All Others: 0 to 175 degrees F Note: Air supply must be dry enough to avoid ice formation at temperatures below 35 degrees F Gauge Ports - R07, R72: 1/8" NPT All Others: 1/4" NPT R18 Pilot Maximum Bleed Rate: The integral pilot regulator used on the R18 has a constant bleed feature which allows a small amount of air to continuously escape to atmosphere. The maximum bleed rate is 0.25 scfm at 50 psig outlet pressure Materials of Construction R07 - Body: Zinc Bonnet and Valve Seat: Acetal Valve: Brass/Nitrile Elastomers: Nitrile R72 - Body: Zinc Valve: Brass Elastomers: Nitrile Bonnet, Bottom Plug: Acetal R73/R74 - Body and Bonnet: Aluminum Valve: Brass Elastomers: Nitrile Bottom Plug: Acetal R17 - Body, Bonnet, Bottom Plug: Aluminum Valve: Aluminum and Nylon Elastomers: Nitrile R18 - Body, Bonnet, Bottom Plug: Aluminum Valve: Aluminum (Teflon on the pilot) Elastomers: Nitrile GENERAL PURPOSE REGULATORS R72 Neck Bracket (74316-50) Norgren (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 690 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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