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ROEMHELD Hinge Clamps for Low-Pressure Hydraulic Systems, B1.8268

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Product Information

ROEMHELD Hinge Clamps for Low-Pressure Hydraulic Systems, B1.8268

1000 psi max

Double Acting

This unique series of Hinge Clamps provides considerable clamping force at lower hydraulic pressures, allowing direct connection to the low-pressure hydraulic system of a machine tool. These are extremely compact, heavy-duty clamps with a sturdy linkage configuration that moves the clamping arm forward as it pivots into clamping position. This specially designed linkage allows the clamp to exert nearly perfectly vertical clamping force. The clamping arm retracts fully for clear loading from above. Durable, economical clamp with an easy-to-clean mechanism, standard metallic wiper, and built-in throttle valve. The top-flange design is ideal for space-saving manifold mounting.

Available in five clamp sizes, double acting only, each with either a standard clamping arm with swivel contact bolt, a long clamping arm for customization, or without a clamping arm for a user-manufactured arm. Choice of three clamping directions – straight, left, or right. Clamping force at 1000 psi with standard clamping arm:

580 Lbs

790 Lbs

990 Lbs

1750 Lbs

2700 Lbs

Documents

B1.8268

Data Sheet

Clamping Action

Applying fluid pressure to the A (clamping) port advances the piston, which is connected to the clamping arm. The arm moves forward as it pivots into position via a linkage. Switching pressure to the B (unclamping) port positively retracts the piston and the attached clamping arm.

Mounting & Fluid Supply

Standard Fittings

Manifold Mounting

Dual mounting capability allows any clamp to be mounted using standard fittings or manifold mounting. Two 1/4" BSPP ports. For optional manifold mounting, use the O-ring ports underneath, instead of the standard ports. Do not use NPT fittings. For manifold mounting, the mounting surface must be ground flat to ensure proper O-ring sealing. Fasten clamp with four socket-head cap screws.

Material

MATERIAL	HEAT TREAT	FINISH	DFARS	RoHS
Steel	-	-	✔	✔

Click here for detailed material and finish specifications.

California residents click here for Prop 65 information.

ROEMHELD Hinge Clamps for Low-Pressure Hydraulic Systems, B1.8268

Version with Clamping Direction Straight (G)

QUANTITY	PART NO.	CLAMP SIZE	ARM TYPE	MAXIMUM CLAMPING FORCE (lbs)	MAXIMUM CLAMPING FORCE (kN)	A (mm)	B (mm)	D (mm)	G DIA (mm)	IDEAL CLAMPING HEIGHT FROM FLANGE (mm)	CLAMPING RANGE (mm)
	CLR-1826-G7131	1	Standard with Contact Bolt	580	2.6	45	97	42.5	39	48.5	+/- 1
	CLR-1826-G7132	1	Long Arm	580	2.6	45	97	104.5	39	48.5	+/- 1
	CLR-1826-G7231	2	Standard with Contact Bolt	790	3.5	50	108	48	47	51.5	+/- 1.2
	CLR-1826-G7232	2	Long Arm	790	3.5	50	108	129	47	51.5	+/- 1.2
	CLR-1826-G7331	3	Standard with Contact Bolt	990	4.4	57	119.5	58	58	56	+/- 1.5
	CLR-1826-G7332	3	Long Arm	990	4.4	57	119.5	127	58	56	+/- 1.5
	CLR-1826-G7431	4	Standard with Contact Bolt	1750	7.3	70	140	66.5	63	67	+/- 1.7
	CLR-1826-G7432	4	Long Arm	1750	7.3	70	140	173	63	67	+/- 1.7
	CLR-1826-G7531	5	Standard with Contact Bolt	2700	12.1	86	165	80.5	78	79	+/- 2
	CLR-1826-G7532	5	Long Arm	2700	12.1	86	165	190	78	79	+/- 2

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Version with Clamping Direction Left (L)

QUANTITY	PART NO.	CLAMP SIZE	ARM TYPE	MAXIMUM CLAMPING FORCE (lbs)	MAXIMUM CLAMPING FORCE (kN)	A (mm)	B (mm)	D (mm)	G DIA (mm)	IDEAL CLAMPING HEIGHT FROM FLANGE (mm)	CLAMPING RANGE (mm)
	CLR-1826-L7131	1	Standard with Contact Bolt	580	2.6	45	97	42.5	39	48.5	+/- 1
	CLR-1826-L7132	1	Long Arm	580	2.6	45	97	104.5	39	48.5	+/- 1
	CLR-1826-L7231	2	Standard with Contact Bolt	790	3.5	50	108	48	47	51.5	+/- 1.2
	CLR-1826-L7232	2	Long Arm	790	3.5	50	108	129	47	51.5	+/- 1.2
	CLR-1826-L7331	3	Standard with Contact Bolt	990	4.4	57	119.5	58	58	56	+/- 1.5
	CLR-1826-L7332	3	Long Arm	990	4.4	57	119.5	127	58	56	+/- 1.5
	CLR-1826-L7431	4	Standard with Contact Bolt	1750	7.3	70	140	66.5	63	67	+/- 1.7
	CLR-1826-L7432	4	Long Arm	1750	7.3	70	140	173	63	67	+/- 1.7
	CLR-1826-L7531	5	Standard with Contact Bolt	2700	12.1	86	165	80.5	78	79	+/- 2
	CLR-1826-L7532	5	Long Arm	2700	12.1	86	165	190	78	79	+/- 2

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Version with Clamping Direction Right (R)

QUANTITY	PART NO.	CLAMP SIZE	ARM TYPE	MAXIMUM CLAMPING FORCE (lbs)	MAXIMUM CLAMPING FORCE (kN)	A (mm)	B (mm)	D (mm)	G DIA (mm)	IDEAL CLAMPING HEIGHT FROM FLANGE (mm)	CLAMPING RANGE (mm)
	CLR-1826-R7131	1	Standard with Contact Bolt	580	2.6	45	97	42.5	39	48.5	+/- 1
	CLR-1826-R7132	1	Long Arm	580	2.6	45	97	104.5	39	48.5	+/- 1
	CLR-1826-R7231	2	Standard with Contact Bolt	790	3.5	50	108	48	47	51.5	+/- 1.2
	CLR-1826-R7232	2	Long Arm	790	3.5	50	108	129	47	51.5	+/- 1.2
	CLR-1826-R7331	3	Standard with Contact Bolt	990	4.4	57	119.5	58	58	56	+/- 1.5
	CLR-1826-R7332	3	Long Arm	990	4.4	57	119.5	127	58	56	+/- 1.5
	CLR-1826-R7431	4	Standard with Contact Bolt	1750	7.3	70	140	66.5	63	67	+/- 1.7
	CLR-1826-R7432	4	Long Arm	1750	7.3	70	140	173	63	67	+/- 1.7
	CLR-1826-R7531	5	Standard with Contact Bolt	2700	12.1	86	165	80.5	78	79	+/- 2
	CLR-1826-R7532	5	Long Arm	2700	12.1	86	165	190	78	79	+/- 2

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