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GENERANT閥VRV系列技術(shù)參數(shù)

描述

一款緊湊型、高精度的直接作用式壓力泄放閥。工廠預(yù)設(shè)為所需的破裂壓力和/或流量規(guī)格。內(nèi)部調(diào)節(jié)具有防篡改設(shè)計，確保對意外壓力變化的安全保護?？蛇x用于大氣排放或管線安裝配置，材質(zhì)包括黃銅、鋁和316不銹鋼。閥門采用四環(huán)密封圈，提供極高的精度和重復(fù)性，且密封帶范圍狹窄?？蛇x的導(dǎo)流帽增加流量容量并引導(dǎo)排放。

特性

高精度且可重復(fù)的破裂壓力

100%工廠預(yù)設(shè)和測試

零泄漏，達(dá)成設(shè)定壓力的95-98%

防篡改調(diào)節(jié)設(shè)計

出色的復(fù)位性能

小巧尺寸

技術(shù)參數(shù)

設(shè)定壓力范圍：0.5 至 150 Psig (0.03 至 10.34 bar)

管線式閥（系列 VRVI）：

承壓極限：400 Psig (28 bar)

爆破極限：> 500 Psig (34 bar)

設(shè)定壓力公差：工廠預(yù)設(shè)

< 2 Psig (0.14 bar): ±10%

2 至 150 Psig (0.14 至 10.3 bar): ±5%

復(fù)位：

50% 設(shè)定壓力（適用0.5 – 1.9 Psig范圍）

80% 設(shè)定壓力（適用2 – 10 Psig范圍）

92% 設(shè)定壓力（適用10 – 150 Psig范圍）

溫度范圍：-320?F 至 400?F (-195?C 至 205?C)（根據(jù)密封材料選擇）

材料：鋁、黃銅或316不銹鋼

Description

A compact, highly accurate, direct acting pressure relief valve. Factory preset to desired crack pressure and/or flow specifications. Internal adjustment provides tamper proof safety against inadvertent pressure changes. Available vent to atmosphere or inline configurations in brass, aluminum and 316 stainless steel. Valves feature a Quad ring seal which provides for extreme accuracy and repeatability with a narrow reseal band. Optional deflector cap increases flow capacity and provides for deflection of discharge.

Features

Accurate and Repeatable Cracking Pressure

100% Factory Preset and Tested

Zero Leakage to 95 – 98% of Set Pressure

Tamper Proof Adjustment

Excellent Reseat Performance

Compact Size

Technical Data

Set Pressure Range: 0.5 to 150 Psig (0.03 to 10.34 bar)

Inline Valves (Series VRVI):

Proof Pressure: 400 Psig (28 bar)

Burst Pressure: >500 Psig (34 bar)

Set Pressure Tolerance: Factory preset

< 2 Psig (0.14 bar): +/-10%

2 to 150 Psig (0.14 to 10.3 bar): +/- 5%

Reseat:

50% of Set Pressure for valves specified 0.5 – 1.9 Psig (0.03 to 0.13 bar)

80% of Set Pressure for valves specified 2 – 10 Psig (0.14 to 0.7 bar)

92% of Set Pressure for valves specified 10 – 150 Psig (0.70 to 10.3 bar)

Temperature Rating: -320?F to 400?F (-195?C to 205?C)

(based on sealing selection)

Materials of Construction

Available in Aluminum, Brass or 316 Stainless Steel