西門子 二通閥 閥體 VVF53..系列 Siemens 2-port valves with flanged connections, PN 25

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  • Siemens 2-port valves with flanged connections, PN 25
  • 德國品牌
  • 二通閥 閥體
  • 閥體材質:球墨鑄鐵(Nodular cast iron EN-GJS-400-18-LT )
  • 公稱壓力:PN25
  • 法蘭連接(ISO 7005)
  • 可用於冰水, 低或高溫純水的封閉式管路中
  • 因型號眾多, 詳細型號請來信詢問
  • 球墨鑄鐵材質強度更高, 耐壓&耐溫範圍更高

描述

Siemens Globe Valves and Actuators

Siemens Globe Valves and Actuators

  • With flanged connections to ISO 7005
  • For chilled, low and high temperature water and brine in closed circuits
  • Performance valves for medium temperatures from -20…220 °C
  • Valve body of Nodular cast iron EN-GJS-400-18-LT
  • DN 15…150
  • kvs 1.6…400 m3/h
  • Flange type 21, flange design B
  • VVF53..K with pressure compensation to handle high differential pressure
  • Equipable with electro-motoric actuators SAX.., SAV.. or electro-hydraulic actuators SKD.., SKB.., SKC..

 

額外資訊

Stroke

To DN 50: 20 mm,
From DN 65: 40 mm

Leakage rate

0…0.01% of the kvs value

Medium temperature

-20…220 °C

Valve characteristic

Equal percentage , kvs 250/400 linear

Rangeability

DN 15, kvs ≤ 1,25 m³/h: >50 ,
DN 15…150: >100

Permissible operating pressure

2500 kPa

Material, valve body

Nodular cast iron EN-GJS-400-18-LT

Material, inside set

Stainless steel

PN class

PN 25

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