Spirax Sarco Fig 16 and Fig 16L are austenitic stainless steel screwed Y-type strainers designed to remove suspended particles from pipelines, protecting downstream equipment like control valves and steam traps. The Fig 16 is constructed from 316 stainless steel (ASTM A351 Gr. CF8M), while the Fig 16L utilizes 316L (ASTM A351 Gr. CF3M) for enhanced corrosion resistance. These strainers are ideal for steam, condensate, water, oil, and gas applications in industrial environments, offering a robust design rated to ANSI 600 conditions.

Product Configuration and Options

The standard configuration includes a 0.8 mm perforated stainless steel screen. For specialized process requirements, a range of optional screens is available:

• Stainless Steel Screens: Perforations of 1.6 mm and 3 mm; Mesh sizes of 40, 100, and 200.
• Monel Screens: Perforations of 0.8 mm and 3 mm; 100 Mesh.
• Blowdown/Drain Connections: The strainer cap can be drilled and tapped to allow for the installation of blowdown or drain valves.

Fig 16L Food+ and Regulatory Compliance

The Fig 16L Food+ variant is specifically designed, manufactured, and approved for food-contact processes. It complies with major international regulations, including:

• (EC) 1935:2004 and (EC) 2023:2006 for materials in contact with food.
• (EU) 10/2011 for plastic materials.
• FDA Code of Federal Regulations title 21.

Materials

No.	Part	Material	Standard
1	Body	Stainless Steel	ASTM A351 CF8M (16) / CF3M (16L)
2	Cap	Stainless Steel	ASTM A351 CF8M (16) / CF3M (16L)
3	Cap Gasket	Graphite/PTFE	Reinforced exfoliated graphite (Standard) / PTFE (Food+)
4	Strainer Screen	Stainless Steel	316L

Operating Limits

Body Design Conditions	ANSI 600
PMA (Max. Allowable Pressure)	82.7 bar g @ 37.7 °C (1199 psi g @ 100 °F)
TMA (Max. Allowable Temperature)	398.8 °C @ 46.2 bar g (750 °F @ 670 psi g)
Max. Food+ Allowable Temperature	200 °C @ 13.7 bar g (392 °F @ 199 psi g)
Minimum Allowable Temperature	-29 °C (-20 °F)

Flow Capacities (Kv Values)

Size	3/8"	1/2"	3/4"	1"	1-1/4"	1-1/2"	2"
0.8/1.6/3mm Perforations	1	2.6	3.6	11	15.5	26	41
40 and 100 Mesh	1	2.6	3.6	11	15.5	26	41
200 Mesh	1	2.6	2.6	9	13.0	21	33

Dimensions and Weights

Approximate values in mm and kg.

Size	A	B	C	D	Screen Area (cm²)	Weight
3/8"	69	55	87	26	25	0.32
1/2"	76	55	87	32	25	0.38
3/4"	88	65	110	38	42	0.51
1"	106	78	125	46	71	0.87
1-1/4"	133	103	155	56	135	1.56
1-1/2"	146	115	190	62	161	2.10
2"	172	140	230	76	251	3.46

Maintenance and Spare Parts

Safety Note

The strainer cap gasket contains a thin stainless steel support ring. Handle with care during maintenance to avoid physical injury.

Installation

When replacing the strainer cap, coat the thread only with anti-seize compound, ensuring none reaches the gasket faces.