Valve Selection Handbook: Engineering Fundamentals for Selecting the Right Valve Design for Every Industrial Flow Application, Fifth Edition

By R.W. Zappe

Appendix B: Properties of Fluids

Figure B-1: Compressibility factor, Z, at low pressures for P _r = 0 to 0.5.

Figure B-2: Compressibility factor, Z, for P _r = 0 to 10.

Figure B-3: Compressibility Factor, Z ₁ for P _r = 0 to 40.

Table B-1: Physical Constants of Gases
Gas	M Molecular Mass	R Individual Gas Constant	Isentropic Coefficient k for P ? atm T = 273K =492R	T _c Critical Temperature	P _C Critical Pressure (absolute)
				K	R	MPa	Ib/in ²
Acetylene					1.23	309.09	556.4	6.237	904.4
Air		28.96	287.09	53.35	1.40	132.4	238.3	3.776	547.5
Ammonia	NH ₃	17.032	488.15	90.71	1.31	405.6	730.1	11.298	1638.2
Argon	Ar	39.994	208.15	38.68	1.65	150.8	271.4	4.864	705.3
Benzol	C ₆H ₆	78.108	106.44	19.78		561.8	1011.2	4.854	703.9
Butane-n	C ₄H ₁₀	58.124	143.04	26.58		425.2	765.4	3.506	508.4
Butan-i	C ₄H ₁₀	58.124	143.04	26.58		408.13	734.6	3.648	529.0
Butylene	C ₄H ₈	56.108	148.18	27.54		419.55	755.2	3.926	569.2
Carbon dioxide	CO ₂	44.011	188.91	35.10	1.30	304.2	547.6	7.385	1070.8
Carbon disulfide	CS ₂	76.142	109.19	20.29		546.3	983.3	7.375	1069.4
Carbon monoxide	CO	28.011	296.82	55.16	1.40	133.0	239.4	3.491	506.2
Carbon oxysulfide	COS	60.077	138.39	25.72		375.35	675.6	6.178	895.9
Chlorine	Cl ₂	70.914	117.24	21.79	1.34	417.2	751.0	7.698	1116.3
Cyanogen	C ₂N ₂	52.038	159.77	29.69		399.7	719.5	5.894	854.6
Ethane

< Previous Excerpt Next Excerpt >

Purchase This Book

Valve Selection Handbook: Engineering Fundamentals for Selecting the Right Valve Design for Every Industrial Flow Application, Fifth Edition