Spare parts and various equipment | Removable Gaskets Pistons

Destination:

The pistons are used as spare parts for Hydraulic Groups from Oil industry which transport water, stem treated with crude oil and Diesel oil, at 90°C maximum temperature.
The pistons are fastened on the conic extremity of piston rod and are tightened by way nuts and counternuts.

Contents

1. Piston body 410-620/SR ISO 9477
2. Gasket rubber
3. Disk S235JRG2/ SR EN 10027
4. Safety OLC 85A/ STAS 795

Constructive characteristics:

The piston is one ensemble done by body piston which are mounted the removable gaskets by means of disk and safety rings.
There are two types of removable gaskets pistons:

• type B, size 5- 4 1/2 ÷ 8 in
• type L, size 6- 5 1/4 ÷ 8 in

Item	Piston tip B-marimea 5*		Masa neta kg	d, mm	Item	Piston tip L-marimea 6*		Masa neta kg	d, mm
	Inches	mm				Inches	mm
1.	4½	114,30	4,478	49	1.				60,3
2.	4¾	120,65	4,890	49	2.				60,3
3.	5	127,00	5,360	49	3.				60,3
4.	5¼	133,35	5,870	49	4.				60,3
5.	5½	139,75	6,440	49	5.	5½	139,75	6,500	60,3
6.	5¾	146,05	6,990	49	6.	5¾	146.05	7,040	60,3
7.	6	152,40	7,730	49	7.	6	152,40	7,660	60,3
8.	6¾	158,75	8,290	49	8.	6¼	158,75	8,310	60,3
9.	6½	165,10	9,040	49	9.	6½	165,10	8,980	60,3
10.	6¾	171,45	9,070	49	10.	6¾	171,45	9,680	60,3
11.	7	177,85	10,500	49	11.	7	177,85	10,430	60,3
12.	7¼	184,15	11,280	49	12.	7½	184,15	11,200	60,3
13.	7½	190,50	12,320	49	13.	7½	190,50	11,970	60,3
14.	7¾	196,85	13,130	49	14.	7¾	196,85	12,820	60,3
15.	8	202,60	13,990	49	15.	8	202,60	13,660	60,3

* - interior cone size

Dimensional data are indicated in above mentioneted table.

Technical and operating characteristics:

• working medium: water, stem
• working temperature: max. 90°C

Main materials

• Piston body: casted or forged carbon steel
• Gasket: rubber with polyamide insertions