Manifolds Diaphragm & Bellows valve

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CCoorree

VVaallvveeThis is revision by Jan of 2016

Core Valve

코어밸브는 기존의 다이아후램밸브, 벨로우즈밸브, 니들밸브의 장점만을 하나로 통합하여 만든 새로운 특허 10-0031174 개념의 밸브이며,

기존밸브와 달라 미세 정 조절이 가능하고, 조절핸들 락장치 Pull & Lock 특허 10-1370537가 내장되어 조절후에 조절핸들이 돌아가는 것을

사전에 방지해 주는 신제품입니다. 특히 작동하기 쉽고 20bar~최대 750bar 고압과 정 배관라인에 사용하기에 적합한 제품입니다.

Core Valve is specially designed to combine Diaphragm valve, Bellows valve and needle valve as a new concept

with Patent 10-0031174.

It enable micro control and built-in “Knob Lock device”(pull & lock:Patent 10-1370537) that prevents knob-self

change. Easy to operate and suitable for High pressure and High Purity pipeline application with outlet pressure as

20 bar ~ Max 750 bar.

Features

Combined Diaphragm valve and Bellows valve with one body. Handle with OPEN/CLOSE indicator for Visual confirm.

Pull & Lock handle system for Knob self-change prevention. Minimum dead space & Maximum flow capacity

Excellent chemical resistance and long cycle life Working pressure 20 ~ 750Bar

Installation for Panel-mount or Bottom-mount D.I water cleaned, assembler tested and packaged In a certified clean room.

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Ports Size 1/4″ 1/2″ 3/4″

Cv Value 0.4 1.2 2.8

Grade A.P(Ry ≤ 25μm), B.A(Ry ≤3.0μm), E.P(Ry ≤0.7μm)

Seat Material (DISK) PCTFE / Vespel

Body Material Stainless Steel 316L or Stainless Steel 316L Double melt

Handle Material Aluminum

Max. Working Pressure Range 20, 50, 250, 500, 750(Bar)

Operating Temperate -40 °C + 70°C Standard, +250°C, +500°C Optional

SPECIFICATIONS

DRASTER CO,. LTD.

REFERENCEThis catalogue is printed as of January 2016, and the dimensions and/orspecifications in this catalogue can be changed without prior notice in the

course of constant upgrading and improvement of our products.

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INSTALLATION DIMENSIONS

METEIC EQUIVALENTS ARE IN PARENTHESES

ORDERING INFORMATION

BASISSERIESNUMBER

20, 25barPCTFE

250, 500750barVespel

S-STS 316LSingle melt

D=STS 316LDouble melt

4 = 1/4″8 = 3/8″2 = 1/2″3 = 3/4″

VH = VCR MaleVM = VCR Male RotatableVF = VCR Female RotatableTS = Tube Butt weldLO = LokNP = NPTPT = PT

DV S 020 VH AP 4 BODYMATERIAL

CONNECTION

020 - 20bar050 - 50bar250 - 250bar500 - 500bar750 - 750bar

WORKINGPRESSURE

BODYPOLISHING

BODYSIZE

CCoorree

VVaallvvee This is revision by Jan of 2016

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MODEL SIZE A B C D E F G H P.C.D

1/4″ 58 14 33.5 47.5 45 31 - 87 25.4

1/2″ A 16 C D 45 38 - H 28

3/4″ A 22 C D 45 - - H 28

1/4″ 70.5 14 33.5 47.5 45 31 - 87 25.4

1/2″ A 16 C D 45 38 - H 28

3/4″ A 22 C D 45 - - H 28

1/4″ 77.8 14 33.5 47.5 45 31 - 87 25.4

1/2″ A 16 C D 45 38 - H 28

3/4″ A 22 C D 45 - - H 28

1/4″ 40 14 33.5 47.5 45 31 6.25 87 25.4

1/2″ A 16 C D 45 38 12.7 H 28

3/4″ A 22 C D 45 - 19.05 H 28

1/4″ 66 14 33.5 47.5 45 31 - 87 25.4

1/2″ A 16 C D 45 38 - H 28

3/4″ A 22 C D 45 - - H 28

1/4″ 58 14 33.5 47.5 45 31 22 87 25.4

1/2″ A 16 C D 45 38 - H 28

3/4″ A 22 C D 45 - - H 28

STANDARD MODEL SERIES

VH=VCR Male

VM=VCR Male Rotatable

VF=VCR Femaie Rotatable

TS=Tube Butt wide

LO=Lok

NP=NPTPT=PT