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Internal thread shut-off valve J11B for ammonia
Ammonia Internal Thread Stop Valve J11B Valve Brand: Shanghai Shuangheng Valve Model: J11B Ammonia Internal Thread Stop Valve Valve Size: Medium Tempe
Product details
The J11B ammonia internal thread globe valve body and valve cover are made of gray cast iron, and the sealing surface is made of Babbitt alloy, PTFE, nylon. The valve stem is made of high-quality carbon steel. Lightweight, low resistance, easy installation, and can be widely used in refrigeration systems such as hydropower stations, food, chemical, and aquatic industries.
Main purpose
Internal thread shut-off valves for ammonia are installed on equipment or pipelines in refrigeration systems, suitable for temperature-The pipeline and liquefied gas pipeline of ammonia and ammonia liquid medium at 40~+120 degrees Celsius are used for opening and closing. Mainly suitable for use in freezing, refrigeration, chemical, petroleum, food, smelting, liquefied gas and other units.
Scope of use
Tongjing Range:DN15～DN50
Pressure range:1.6MPa
Temperature range:-40℃～120℃
Medium range: Low temperature media such as propane, propylene, methanol, ethane, coal gas, liquid ammonia, liquefied natural gas, etc
Material for main parts
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Part name
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Valve body and valve cover
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sealing ring
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filler
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Packing gland
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valve stem
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shim
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J11B-25Z
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Grey cast iron
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Babbitt alloy
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Polytetrafluoroethylene
Ethylene |
carbon steel
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Polytetrafluoroethylene
Ethylene |
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J11F-25Z
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Grey cast iron
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PTFE
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performance parameter
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nominal pressurePN（MPA）
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test pressurePS（MPa）
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Applicable Medium
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Applicable temperature (℃)
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2.5
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3.8
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Ammonia gas
Ammonia solution, etc NH3 |
Babbitt alloy
-40℃ +150℃ |
Tetrafluoroethylene
-40℃ +200℃ |
Main external connection dimensions
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caliber
DN
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Total length
（L）
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Valve body length (L)
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Fully open (H)
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Fully closed (H1)
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Handwheel diameter (D0)
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Connection method
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DN10
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80
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84
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140
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125
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80
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3/3 "pipe string thread
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DN15
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100
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105
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160
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140
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100
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1/2 "pipe thread
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DN20
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108
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110
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175
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155
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100
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3/4 "pipe thread
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DN25
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124
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130
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190
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165
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120
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1 "pipe thread
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DN32
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140
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140
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200
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140
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11/4 "pipe string thread
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