C-26 Gauge Valves and Instrumentation Manifolds Block and Bleed Valves C-27 Block and Bleed Valves

C-28 Block and Bleed Valves Block and Bleed Valves C-29 Contents Overview Features Design Codes Module Structures and Features ◎ Integral type, split type or wafer type body construction available ◎ Multiple functions available: double block and bleed, single block and bleed, double block, single block, injection and sampling ◎ Compact design, weight, space and cost savings ◎ Each valve is leak tested to a requirement in accordance with API 598 ◎ Optional fire-safe design to API-607, anti-static design to EN 12266-2 and NACE MR0175 compliance Petroleum and Natural Gas Industries-Materials for...

C-28 Block and Bleed Valves Block and Bleed Valves C-29 Contents Overview Features Design Codes Module Structures and Features ◎ Integral type, split type or wafer type body construction available ◎ Multiple functions available: double block and bleed, single block and bleed, double block, single block, injection and sampling ◎ Compact design, weight, space and cost savings ◎ Each valve is leak tested to a requirement in accordance with API 598 ◎ Optional fire-safe design to API-607, anti-static design to EN 12266-2 and NACE MR0175 compliance Petroleum and Natural Gas Industries-Materials for...

C-30 Block and Bleed Valves Block and Bleed Valves C-31 Standard Materials of Construction Module Structures and Features Designator: B Carbon Steel Component Lock nut Handle Blowout-proof stem Stem packing Stop pin End Connection Stem bearing Ball Seat Body ◎ Screwed Bonnet Needle Valve Pressure rating up to Class 2500 Bore sizes: NPS 3/8~NPS 2 (DN10~DN50) Working temperature: -65°F to 450°F (-54°C to 232°C) Side-loaded stem prevents stem blowout and enhances system safety High-strength stem bearing provides smooth actuation and eliminates galling between valve stem and body ◎ Packing adjustment...

C-30 Block and Bleed Valves Block and Bleed Valves C-31 Standard Materials of Construction Module Structures and Features Designator: B Carbon Steel Component Lock nut Handle Blowout-proof stem Stem packing Stop pin End Connection Stem bearing Ball Seat Body ◎ Screwed Bonnet Needle Valve Pressure rating up to Class 2500 Bore sizes: NPS 3/8~NPS 2 (DN10~DN50) Working temperature: -65°F to 450°F (-54°C to 232°C) Side-loaded stem prevents stem blowout and enhances system safety High-strength stem bearing provides smooth actuation and eliminates galling between valve stem and body ◎ Packing adjustment...

C-32 Block and Bleed Valves Block and Bleed Valves C-33 ◎ Ratings are taken from ASME B16.34, Table 2-2.3 and Table VII-2-2.3. The rating data are based on F316L stainless steel. ◎ Ratings are taken from ASME B16.34, Table 2-2.8 and Table VII-2-2.8. The rating data are based on F51 (Not recommended for use above 315 °C). ASME Rating Temp. (°C) Working Pressure (psig) ASME Rating ASME Rating Working Pressure (psig) ◎ Ratings are taken from ASME B16.34, Table 2-1.1 and Table VII-2-1.1. The rating data are based on A105/A350 LF2 (Not recommended for use above 425°C). ASME Rating Temp. (°C) Working...

C-32 Block and Bleed Valves Block and Bleed Valves C-33 ◎ Ratings are taken from ASME B16.34, Table 2-2.3 and Table VII-2-2.3. The rating data are based on F316L stainless steel. ◎ Ratings are taken from ASME B16.34, Table 2-2.8 and Table VII-2-2.8. The rating data are based on F51 (Not recommended for use above 315 °C). ASME Rating Temp. (°C) Working Pressure (psig) ASME Rating ASME Rating Working Pressure (psig) ◎ Ratings are taken from ASME B16.34, Table 2-1.1 and Table VII-2-1.1. The rating data are based on A105/A350 LF2 (Not recommended for use above 425°C). ASME Rating Temp. (°C) Working...

C-34 Block and Bleed Valves Block and Bleed Valves C-35 Integral Type Flange Block and Bleed Valves Valve Types and Dimensions Double Block and Bleed Valves (DBB) ◎ Configuration (BBN): ball isolate, ball isolate, needle vent Bore sizes: NPS 3/8~NPS 3/4 (DN10~DN20) Flanges are forged integrally with the body Smooth transition from the process piping system to instrumentation in a single configuration Compact size and reduced weight minimize space envelope and support structure required Easy to install 1/2 female NPT standard vent with plug Connection: Flange+Flange Basic Ordering Information...

C-34 Block and Bleed Valves Block and Bleed Valves C-35 Integral Type Flange Block and Bleed Valves Valve Types and Dimensions Double Block and Bleed Valves (DBB) ◎ Configuration (BBN): ball isolate, ball isolate, needle vent Bore sizes: NPS 3/8~NPS 3/4 (DN10~DN20) Flanges are forged integrally with the body Smooth transition from the process piping system to instrumentation in a single configuration Compact size and reduced weight minimize space envelope and support structure required Easy to install 1/2 female NPT standard vent with plug Connection: Flange+Flange Basic Ordering Information...

C-36 Block and Bleed Valves Block and Bleed Valves C-37 ◎ Configuration (NNN): needle isolate, needle isolate, needle vent Connection: Flange+Flange Single Block and Bleed Valves (BB) ◎ Configuration (BN): ball isolate, needle vent Basic Ordering Information 基本订购信息 Inlet/Process 入口/过程接口 Connection Outlet/Instrument 出口/仪表接口 Connection 泄放/排放 Bleed/Vent Connection: Flange+Flange Dimensions Basic Ordering Information 基本订购信息 Inlet/Process 入口/过程接口 Connection Outlet/Instrument 出口/仪表接口 Connection 泄放/排放 Bleed/Vent ◎ Configuration (NNN): needle isolate, needle isolate, needle vent Connection: Flange+Thread...

C-36 Block and Bleed Valves Block and Bleed Valves C-37 ◎ Configuration (NNN): needle isolate, needle isolate, needle vent Connection: Flange+Flange Single Block and Bleed Valves (BB) ◎ Configuration (BN): ball isolate, needle vent Basic Ordering Information 基本订购信息 Inlet/Process 入口/过程接口 Connection Outlet/Instrument 出口/仪表接口 Connection 泄放/排放 Bleed/Vent Connection: Flange+Flange Dimensions Basic Ordering Information 基本订购信息 Inlet/Process 入口/过程接口 Connection Outlet/Instrument 出口/仪表接口 Connection 泄放/排放 Bleed/Vent ◎ Configuration (NNN): needle isolate, needle isolate, needle vent Connection: Flange+Thread...