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止回阀,先导式SV 6
发布日期:2019-03-22 阅读:

  • 大小6
  • 组件系列6X
  • 最大工作压力315 bar
  • 最大流量60升/分钟
特征
  • 用于底板安装
  • 根据ISO 4401-03-02-0-05和ISO 5781-03-04-0-00移植模式
  • 用于一个执行器端口的无泄漏阻塞
  • 内部先导油返回
  • 各种开裂压力,可选
  • 有或没有预打开,可选
  • 单独提供止回阀安装套件
  • 耐腐蚀设计,可选
Technical data

general

Size

6

Weight

kg

0.8

Installation position

any

Ambient temperature range

NBR seals

°C

-30 … +80

FKM seals

°C

-20 … +80

MTTFD values according to EN ISO 13849

Years

150 1)
1) For further details, see data sheet 08012

hydraulic

Size

6

Maximum operating pressure

bar

315

Cracking pressure

bar

1.5 / 3 / 6 / 10

Maximum flow

l/min

60

Direction of flow

see symbols

Hydraulic fluid

see table

Minimum pilot pressure

bar

5

Maximum pilot pressure

bar

315

Hydraulic fluid temperature range (NBR seals)

°C

-30 … +80

Hydraulic fluid temperature range (FKM seals)

°C

-20 … +80

Viscosity range

mm²/s

2.8 … 500

Maximum admissible degree of contamination of the hydraulic fluid 1)

Class 20/18/15 according to ISO 4406 (c)

Pilot volume

Port X

cm³

0.68

Area ratio

Without pre-opening

A1/A2 ~ 1/3; A4/A2 ~ 1/7 (see sectional drawing)

With pre-opening

A3/A2 ~ 1/13 (see sectional drawing)
1) The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter.

For applications outside these parameters, please consult us!

Hydraulic fluid

Classification

Suitable sealing materials

Standards

Mineral oils and related hydrocarbons

HL, HLP, HVLP

NBR, FKM

DIN 51524

Environmentally compatible

Insoluble in water

HEES

NBR, FKM

ISO 15380

HEPR

FKM

Soluble in water

HEPG

FKM

ISO 15380

Flame-resistant

Water-free

HFDU, HFDR

FKM

ISO 12922

Containing water

HFC

NBR

ISO 12922

Important information on hydraulic fluids!

  • For further information and data on the use of other hydraulic fluids please contact us!
  • There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.)!
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