This is a legacy product.

Series IR Precision Regulators are designed to be compact and light weight. The maximum set pressure has been expanded from the conventional 0.7MPa to 0.8MPa. Relief flow has been increased by nearly 5 times (compared to SMC IR201, IR401). The optio, PRECISION REGULATOR, PERCISION REGULATOR, O32, 0.19000 lb

Series IR Precision Regulators are designed to be compact and light weight. The maximum set pressure has been expanded from the conventional 0.7MPa to 0.8MPa. Relief flow has been increased by nearly 5 times (compared to SMC IR201, IR401). The optio, PRECISION REGULATOR, PERCISION REGULATOR, 190 lb

A large digital display provides a clear view of the current and set values. 

Fitting Type: H (Connector), Metric Size, Side A: No (Select Inch Size, Side A), Inch Size, Side A: 5F (Tube O.D. 3/4", Tubing Size 1/4"x5/32"), Metric Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Inch Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Piping: M (Male)

Fitting Type: H (Connector), Metric Size, Side A: No (Select Inch Size, Side A), Inch Size, Side A: 4E (Tube O.D. 1/2", Tubing Size 1/4"x5/32"), Metric Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Inch Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Piping: M (Male)

Fitting Type: H (Connector), Metric Size, Side A: 4F (Tube O.D. 1/2", Tubing Size mm 3x2), Inch Size, Side A: No (Select Metric Size, Side A), Metric Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Inch Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Piping: M (Male)

Fitting Type: H (Connector), Metric Size, Side A: No (Select Inch Size, Side A), Inch Size, Side A: 5E (Tube O.D. 3/4", Tubing Size 3/8"x1/4"), Metric Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Inch Size, Side B: No (For Types H and L, and Types B or R w/Same Tubing Size), Piping: M (Male)

Pressure Specifications: 1 [-101 to 10kPa (for vacuum)], One-touch Fitting Type: None, Option, Case Holder: Without case, Unit Specification: Fixed in SI Unit

Pressure Specifications: 1 [-101 to 10kPa (for vacuum)], One-touch Fitting Type: None, Option, Case Holder: Without case, Unit Specification: M (Fixed in SI Unit)

Pressure Specifications: 0 [-0.1 to 1MPa (for high pressure)], One-touch Fitting Type: None, Option, Case Holder: Without case, Unit Specification: M (Fixed in SI Unit)

Pressure Specifications: 2 [-10 to 100kPa (for low pressure)], One-touch Fitting Type: None, Option, Case Holder: Without case, Unit Specification: M (Fixed in SI Unit)

Port Size: 3 (M3X0.5), Model: UL (Universal Elbow)

Port Size: 5 (M5X0.8), Model: J (Extended Fitting)

Port Size: 5 (M5X0.8), Model: UL (Universal Elbow)

Port Size: 5 (M5X0.8), Model: B (Bushing)

Port Size: 5 (M5X0.8), Model: E (Bulkhead Union)

Port Size: 5 (M5X0.8), Model: N (Nipple)

Port Size: 5 (M5X0.8), Model: T (Union Tee)

Port Size: 5 (M5X0.8), Model: UT (Universal Tee)