Pressure / temperature limits

Materials

No. Part

1 Body

2 End connection

3 Ball

4 Stem

5 Seat

M70iG

M70iV

6 Stem seal

7 Spacer

8 Compression nut

9 Lock washer

10 Stem nut

11 Nameplate (not shown)

12 Handle

13 Cover

14 Stud and nut

15 Cavity filler

16 Body cap gasket

17 Belleville washer

18 Stem seal

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A - B

A - C

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Material

Stainless steel ASTM

Stainless steel ASTM

Stainless steel

Stainless steel

Mineral filled PTFE

Virgin PTFE TFM 1600

Virgin PTFE TFM 1600

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Stainless steel

Vinyl

Stainless steel

Virgin PTFE TFM 1600

Virgin PTFE TFM 1600

Stainless steel

Stainless steel

10 4

Steam

saturation

curve

A 182 F 316L

A 182 F 316L

AISI 316L

AISI 316L

AISI 316

AISI 316

AISI 316

AISI 316

AISI 430

AISI 316

AISI 316

AISI 316

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Pressure bar g

The product must not be used in this region.

Virgin PTFE TFM 1600.

Mineral filled PTFE.

Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PN63

62 bar g @ 20 °C

200 °C @ 0 bar g

-29 °C

7.0 bar g

8.5 bar g

Pipeline ancillaries

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7.4.57

Maximum operating

PMO pressure for saturated

steam service

Virgin PTFE

Mineral filled PTFE

TMO Maximum operating temperature

200 °C @ 0 bar g

Minimum operating temperature

-29 °C

Note: For lower operating temperatures consult Spirax Sarco

DPMX MaximumdifferentialpressureislimitedtothePMO

Designed for a maximum cold hydraulic test pressure of 93 bar g

13

12

The internals have been exploded below to help identify the

position of some of the parts in the materials list.

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TI-P182-05 ST Issue 6

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M70i ISO Forged Stainless Steel Ball Valve for Sanitary Applications

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