Air Chamber Angle Cut-off Valve Assembly RS11306.19.004

Full English Specification (RS11306.19.004)
1. Basic Information
Part Name: Air Chamber Angle Cut-off Valve Assembly
Drawing No.: RS11306.19.004
Matching Valve Head Model: JZR3-L8
Applicable Pump: Rongsheng RS-F1300 / RS-F1600 Triplex Drilling Mud Pump Pulsation Dampener (Air Chamber)
Model Code Breakdown:
RS11306: General drawing prefix for RS-F1600 mud pump
19: Pulsation dampener (air chamber) subassembly code
004: Serial drawing number of charging cut-off valve assembly
2. Matching Air Chamber Components
RS11306.19.002.001: Air Chamber Shell Assembly
RS11306.19.004: Angle Cut-off Valve Assy (JZR3-L8)
RS11306.19.005: Pressure Gauge Tee Connector
RS11306.19.006: Shock-resistant Pressure Gauge
RX44 RTJ Ring Joint Gasket (SY5279.3)
3. Function & Working Conditions
Function: Mounted on top of mud pump air chamber, used for nitrogen charging, pressure monitoring and pipeline isolation. Allows disassembly of pressure gauge and nitrogen refilling without pump shutdown; blocks high-pressure mud pulse to protect pressure gauge from impact damage.
Application Industry: Onshore & Offshore Oil Drilling, Shale Oil & Gas, CBM Drilling Rigs
Compliance Standard: API 7K for oilfield mud pump auxiliary components
Working Medium: Nitrogen, clean pressure measuring hydraulic fluid (particle-free)
Working Temperature Range: -20℃ ~ +120℃
4. Material, Dimension & Pressure Rating
Body Material: Integral forged 304 stainless steel
Sealing Type: Metal cone hard seal + PTFE flexible graphite packing, zero leakage under rated pressure
Connection Thread:
Bottom thread: Standard thread for air chamber shell connection
Side outlet: L8 external thread for pressure gauge fitting
Structure: 90° angle manual valve with anti-slip plastic handwheel
Rated Working Pressure: 52MPa
Hydrostatic Test Pressure: 78MPa
Net Weight (complete assembly): 2.