Specifications:
The document provides specifications for 250 lb screwed strainers ranging from 1/2'' to 3'' (15 - 80 mm) made of cast iron. The materials include ASTM A48 Class 30 cast iron for the body and non-asbestos cap screws ASTM A193 Gr. B7. The standard screen is made of 304 SS with .045" perforations.

Physical Data:
The strainers are available in various sizes with corresponding weights and dimensions. For example, a 1/2" strainer weighs 4-1/2 lb (2 kg) and has dimensions of 5" (127 mm) in length and 3-3/4" (95 mm) in height. The maximum pressure for saturated steam non-shock is 400 psig (28 bar).

Connections and Ordering:
The strainers have ANSI B1.20.1 screwed, bolted, and threaded connections. Ordering codes are provided for different sizes, such as CA1SC/CA41SC for sizes 1/2'' to 2'' and A1SC for sizes 2-1/2'' to 3''.

Pressure/Temperature Rating:
The strainers are rated for a maximum temperature of 150°F (66°C).

Additional Information:
The document notes that all dimensions and weights are approximate and subject to change without notice. Certified drawings are available for detailed specifications.