Step Seal for Piston

Introduction

Step Seal for Piston - GSD

1、Product structure characteristics
It consists of a PTFE seal and a rubber O-ring as a preload element.
It is a reciprocating seal that can withstand unidirectional effects of high pressure, low pressure and heavy load and alternating pressure.

2、Working conditions

3、Assembly drawings and installation dimensions

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Cylinder diameter DH9			Groove diameter	Groove width	Fillet	Radial clearance Smax			O-ring section
Standard Specification	Light	Heavy	dh9	L+0.2	r	10Mpa	20Mpa	40Mpa	d2
8-16.9	17-26.9	－	D-4.9	2.2	0.4	0.3	0.2	0.15	1.78
17-26.9	27-59.9	－	D-7.3	3.2	0.6	0.4	0.25	0.15	2.62
27-59.9	60-199.9	17-26.9	D-10.7	4.2	1	0.4	0.25	0.2	3.53
60-199.9	200-255.9	27-59.9	D-15.1	6.3	1.3	0.5	0.3	0.2	5.33
200-255.9	256-669.9	60-199.9	D-20.5	8.1	1.8	0.6	0.35	0.25	7
256-669.9	670-99.9	200-255.9	D-24.0	8.1	1.8	0.6	0.35	0.25	7
670-999.9	－	256-669.9	D-27.3	9.5	2.5	0.7	0.5	0.3	8.4

4、GSD Specification Table

S/N	Cylinder diameter	Groove diameter	Groove width	S/N	Cylinder diameter	Groove diameter	Groove width
S/N	DH9	dh9	L+0.2	S/N	DH9	dh9	L+0.2
GSD0080	8	3.1	2.2	GSD0950H	95	74.5	8.1
GSD0100	10	5.1	2.2	GSD1000	100	84.9	6.3
GSD0120	12	7.1	2.2	GSD1000H	100	79.5	8.1
GSD0150	15	10.1	2.2	GSD1100	110	94.9	6.3
GSD0180	18	10.7	2.2	GSD1200	120	104.9	6.3
GSD0200L	20	15.1	2.2	GSD1250	125	104.5	6.3
GSD0200	20	12.7	3.2	GSD1250H	125	104.9	8.1
GSD0220	22	14.7	3.2	GSD1300	130	114.9	6.3
GSD0250	25	17.7	3.2	GSD1350	135	119.9	6.3
GSD0270	27	16.3	4.2	GSD1400	140	124.9	6.3
GSD0280	28	17.3	4.2	GSD1450	145	129.9	6.3
GSD0300	30	19.3	4.2	GSD1500	150	134.9	6.3
GSD0320L	32	24.7	3.2	GSD1550	155	139.9	6.3
GSD0320	32	21.3	4.2	GSD1600	160	144.9	6.3
GSD0350	35	24.3	4.2	GSD1600H	160	139.5	8.1
GSD0360	36	25.3	4.2	GSD1650	165	149.9	6.3
GSD0380	38	27.3	4.2	GSD1700	170	154.9	6.3
GSD0400L	40	37.2	3.2	GSD1750	175	159.9	6.3
GSD0400	40	29.3	4.2	GSD1800	180	164.9	6.3
GSD0450	45	34.3	4.2	GSD1800H	180	159.5	6.3
GSD0480	48	37.3	4.2	GSD1900	190	174.9	8.1
GSD0500	50	39.9	4.2	GSD1900H	190	169.5	6.3
GSD0500H	50	34.9	6.3	GSD2000L	200	184.9	8.1
GSD0520	52	41.3	4.2	GSD2000	200	179.5	8.1
GSD0550	55	44.3	4.2	GSD2100	210	189.5	8.1
GSD0600	60	44.9	6.3	GSD2200	220	204.9	6.3
GSD0630L	63	52.3	4.2	GSD2200H	220	199.5	8.1
GSD0630	63	47.9	6.3	GSD2300	230	209.5	8.1
GSD0640	64	48.9	6.3	GSD2400	240	219.5	8.1
GSD0650	65	49.9	6.3	GSD2500	250	229.5	8.1
GSD0700L	70	59.3	4.2	GSD2500/1	250	226	8.1
GSD0700	70	54.9	6.3	GSD2560	256	232	8.1
GSD0750	75	59.9	6.3	GSD2600	260	236	8.1
GSD0800	80	64.9	6.3	GSD2700	270	246	8.1
GSD0800H	80	59.9	8.1	GSD2800	280	256	8.1
GSD0850	85	69.9	6.3	GSD2900	290	266	8.1
GSD0900	90	74.9	6.3	GSD3000	300	276	8.1
GSD0900H	90	69.5	8.1	GSD3100	310	286	8.1
GSD0950	95	79.9	6.3	GSD3200L	320	299.5	8.1

S/N	Cylinder diameter	Groove diameter	Groove width	S/N	Cylinder diameter	Groove diameter	Groove width
S/N	DH9	dh9	L+0.2	S/N	DH9	dh9	L+0.2
GSD3200	320	296	8.1	GSD4700	470	446	8.1
GSD3300	330	306	8.1	GSD4800	480	456	8.1
GSD3400	340	316	8.1	GSD4900	490	466	8.1
GSD3500	350	326	8.1	GSD5000	500	476	8.1
GSD3600	360	336	8.1	GSD5100	510	486	8.1
GSD3700	370	346	8.1	GSD5200	520	496	8.1
GSD3800	380	356	8.1	GSD5300	530	506	8.1
GSD3900	390	366	8.1	GSD5400	540	516	8.1
GSD4000	400	376	8.1	GSD5500	550	526	8.1
GSD4100	410	386	8.1	GSD5600	560	536	8.1
GSD4200	420	396	8.1	GSD5700	570	546	8.1
GSD4300	430	406	8.1	GSD5800	580	556	8.1
GSD4400	440	416	8.1	GSD5900	590	566	8.1
GSD4500	450	426	8.1	GSD6000	600	576	8.1
GSD4600	460	436	8.1

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Date：2018-3-24 14:59:33

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Step Seal for Piston