GSF - Hydraulic cylinder bronze PTFE piston seal glyd ring

GSF - Hydraulic cylinder bronze PTFE piston seal glyd ring

Category： Piston seals
Temperature: -40 - +200℃
Material: filled PTFE
Color: green, brown
Medium: Hydraulic oils
Product description：Hydraulic cylinder bronze PTFE piston seal glyd ring GSF
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1. Description

Glyd Ring is a double-acting O-Ring energized piston seal for dynamic applications. Glyd Ring provides low friction with no stick-slip, minimal break out force and high wear resistance. Main application is actuator cylinders. Installed in grooves to ISO 7425.

2. Installation Recommendation

3. Installation dimensions - Standard recommendations

Bore Diameter D_N H9			Groove Diameter	Groove Width	Radius	Radial Clearance S max.			O-Ring Cross-Section
Standard Application	Light Application	Heavy Duty Application	d₁ h9	L₁+0.2	R₁	10MPa	20MPa	40MPa	d₂
8-14.9	15-39.9	-	D_N-4.9	2.2	0.4	0.3	0.20	0.15	1.78
15-39.9	40-79.9	-	D_N-7.5	3.2	0.6	0.4	0.25	0.15	2.62
40-79.9	80-132.9	15-39.9	D_N-11.0	4.2	1.0	0.4	0.25	0.20	3.53
80-132.9	133-329.9	40-79.9	D_N-15.5	6.3	1.3	0.5	0.30	0.20	5.33
133-329.9	330-699.9	80-132.9	D_N-21.0	8.1	1.8	0.6	0.35	0.25	7.00
330-669.9	670-99.9	133-329.9	D_N-24.5	8.1	1.8	0.6	0.35	0.25	7.00
670-999.9	≥1000	330-669.9	D_N-28.0	9.5	2.5	0.7	0.50	0.30	8.40
≥1000	≥1000	≥1000	D_N-38.0	13.8	3.0	1.0	0.70	0.60	12.00

4. Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

5. Working Conditions

Diameter Range	Pressure Range	Temperature Range	Speed	Medium
8 - 1600mm	0 - 60MPa	-45℃ +200℃	15 m/s	hydraulic oil, flame retardant liquid, water and others