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Counterbalance Valve, Poppet Type, SAE 10

Counterbalance Valve, Poppet Type, SAE 10
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Counterbalance Valve, Poppet Type, SAE 10 - 1

Counterbalance Valve, Poppet Type, SAE 10 Qmax = 15.0 gpm (60 l/min), pmax = 5000 psi (350 bar) direct acting, pilot assisted, poppet type, non-vented, adjustable Series CBPP-10… / CBPP-20M… S Leak proof internal screw adjustment S Adjustment screw can not be backed out of the valve S Overset protection spring can not go solid S Hardened precision fitted piston & poppet provide reliable, long life S A unibody adapter cage construction provides very reliable operation S Nonsealed pilot piston S Can be fitted in a line-mounting body The Counterbalance Valve model series CBPP… is a differential area, direct acting, screw in cartridge style, nonvented, poppet type, adjustable, pilot assisted, hydraulic counterbalance valve with thread 7/8-14 UNF (CBPP-10…) or 20 x 1.5 mm (CBPP-20M…). This valve controls a moving load, preventing it from running ahead of the pump. Locking the load in any position, it also provides static overload and thermal expansion protection. This valve is a modulating device that allows free flow from port 2 to port 1, then blocks reverse flow until a pilot pressure inversely proportional to the load pressure is sensed at port 3 modulating flow from port 1 to port 2. Back pressure at port 2 adds to the spring setting (pilot ratio +1) x back pressure. All external parts of the cartridge are zinc plated and chromited (CrVI−free). If you intend to manufacture your own cavi ties or are designing a line-mounting installation, please re fer to the section “Related data sheets”. Technical data General characteristics Description, value, unit counterbalance valve, non-vented poppet type, free reverse flow, pilot assisted Mounting method Mounting attitude Ambient temperature range

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Counterbalance Valve, Poppet Type, SAE 10 - 2

Hydraulic characteristics Description, value, unit Maximum operating pressure Maximum flow rate Nominal pressure ranges For further pressure ranges, please contact BUCHER Pilot Ratio 2.3, 3.0, 4.5 to 1 – 1.5, 10.0 on request For further pilot ratios, please contact BUCHER Leakage flow rate Hydraulic fluid Mineral-based or synthetics with lubricating properties. HL and HLP mineral oil to DIN 51 524; for other fluids, please contact BUCHER Hydraulic fluid temperature range Viscosity range Minimum fluid cleanliness Cleanliness class to ISO 4406 : 1999 Performance graphs [measured with oil...

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Counterbalance Valve, Poppet Type, SAE 10 - 3

Dimensions & sectional view 5.1 Insertion in cavity type “C1025” Ø1.19 (30.2) 5.2 Insertion in cavity type “T-11A” Ø1.19 (30.2) 1 Tightening torque MA 1) Cavity type When fitted in steel When fitted in aluminum Installation information Backup ring Backup ring Backup ring Backup ring Backup ring Item no. 5207300016 = Seal kit NBR (Buna) Item no. 5207300065 = Seal kit FKM (Viton)

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Counterbalance Valve, Poppet Type, SAE 10 - 4

When fitting the cartridges, use the specified tight- ening torque. The recommended relief pressure setting is 30 % above operating pressure. Only qualified personnel with mechanical skills may carry out any maintenance work. Generally, the only work that should ever be undertaken is to check, and possibly replace, the seals. When changing seals, oil or grease the new seals tho- roughly before fitting them. CBPP = counterbalance, non-vented, pilot assisted N = NBR (Nitrile) seals (standard) (special seals - please consult BUCHER) C = capped adjustment screw * T = tamperproof adjustment...

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Counterbalance Valve, Poppet Type, SAE 10 - 5

Related data sheets Line-mounting body, 10 Series – 2.5-way E 2015 by Bucher Hydraulics, Inc., 2545 Northwest Parkway, Elgin, Illinois 60124, USA All rights reserved. Data is provided for the purpose of product description only, and must not be construed as warranted characteristics in the legal sense. The information does not relieve users from the duty of conducting their own evaluations and tests. Because the products are subject to continual improvement, we reserve the right to amend the product specifications contained in this catalogue. Classification: 430.325.360.305.315...

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