Thread Sealant
• Requires unnecessary time to apply thread tape or fluid.
• Ready to be attached
• Danger of leakage if the tape or fluid isn't applied properly.
• Seals directly
• Danger of loose tape or fluid getting onto the coupling or air system and causing problems.
Series 321, 322, and 324 All couplings with male threads are pre-applied with thread sealant. Pre-applied nippels available on request.
CEJN Pre-applied Thread Sealant CEJN's thread sealant is a dry, non-hardened product that seals against pressure immediately after assembly. The thread sealant does not lock the threaded components together, which makes the coupling/nipple easy to remove. The sealant is gas- and water-approved in accordance with KTW, DVGW, ÖVGW, and SVGW. It is vibration resistant, waterbased, and free of any organic solvents. Seals up to 150 bar. Max. temperature: 150° C.
Flow Calculation Kv= Flow in m³/hour @ ∆P=1 bar
Cv=Flow in gallon/minute @ ∆P=1 PSI
Q= Flow (l/min)
Q= Flow (gallon/min)
Kv= Flow constant (m³/h)
Cv= Flow constant (gallon/min)
∆P= Pressure drop (bar)
∆P= Pressure drop (PSI)
x 1000 P Kv xx 1000 x x P P P Cv xx P = Cv = Kv Q= Q= Q x P Cv60 Q == Cv Q Q 60 Kv Kv x Kv 0.86 Cv xx 0.86 Cv = Kv Kv = Cv Kv 0.86 Cv x 0.86 Kv== Cv Cv Kv = 0.86 = Cv== 0.86 0.86x 0.86 2 xx 1000 1000 2P Kv Kv xxQ 2P 1000 1000 Kv Kv xxQ xx x 2 xValues 2P Drop orQ 2 2P x 60 2P P P Q Cv Cv 60 xx Q = = = = Recalculation of Pressure Water Flow Q Q Q P Cv Cv = = Q x 60 QP= QP==QP= QP== Q x60 Q 60 Q 60 P = Kv P= 60 = 60 P P= x 1000 x 1000 Cv Kv Cv Determine the pressure drop at 55 l/min for Series 321. Cvx Kv x 1000 Cv Kv x 1000 1000 P 1000xxx PP Kv xxx 1000 Kv xxx1000 xx Kv P Kv Kv Kv xxx xx P 2 P Cv 2 Cv P Kv Kv Cv = = 2 x x Q Q = = = = Q Q Q Q Cv 0.86 Cv 0.86 Cv= x 55 x15 2 x55 Kv Cv = Kv = x 60 = = x15 = Cv 15 P 22 60 2 2 0.86 Cv 0.86 Cv321, Cv Kv KvSeries = = x 60 x15 60 55 55 60 60 60 For Kv=2.34 For Series 321, Cv=2.72 0.86 0.86 = = = = 30.4 P 1.99 bar P 30.4 PSI PSI = = = = P 1.99 bar P 30.4 PSI 0.86 0.86 = 2.72 P = 2.34 xx10002 = 1.99 bar 30.4 P = P2.34 1.99PSI bar P = 2.722 = x 1000 == 22 2 2 x 1000 2.72 2.34 10002 2 2.72 2.34 xx 60 x Q Q Q Q 60 x Kv Kv Kv Q 60 Q 60 KvQ 0.86 Cv 0.86 CvxxxQ =Cv P= xxx 0.86 P== P= 0.86 KvP Kv CvP= KvP == Cv = 0.86 =Cv P=== P= Cv Kv Cv Kv 1000 0.86 xx 1000 0.86 Cv Kv Cv Kv xx 1000 1000 0.86 2 2222 2 2 Q 1 Q 1 Q2222 2 1 2 1 Q2 Q Q Q Q 2 2 22 xxxQ 2 1 Q Q1 = Q QQ Q222 22=> 2 Q1 = Q1 =Q Q Q Q 60 Q 60 xxx = 60 => => 2 => xx 60=> 55 55 15 60 => = => = xx15 => = = = P P= = P P= 55 15 60 55 15 = 60 P P= P 1 P 2 P 1 P22 = = P P= P 2 P 1x P 2 == = = = =1 P =1 Cv = 30.4 P 1.99 bar 30.4 PP 1.99PSI bar P PP 30.4 PSI PSI xxx1000 x 1000 Cv Kv Cv Kv P P 2 P 1x P 2 == 1000 P 2 P Cv = = P 1.99 bar =11 Kv = = PP 1.99 bar P 30.4 PSI Kv 1000 x x 2.34 2.72 2.342.72 1000 x 1000 2.72 2.34 2.72 2.34 x 1000 1000 2 xx2 22 Q1 xx 55 Q1 x15 P P2222 1x Q1 xx 55 QP With a Flowchart: xxx260 55 x15 60 P2222 2 55P 15 1x P 260 260 P2 2= Q1 Q QP22= == Q1 x15 2= Q1 2= QP Q = = = = P 1.99 bar P 30.4 PSI = = = = Q 2= 2= P 1.99 bar P 30.4 PSI = = 30.4 P 1.99 bar PSI GPM. 2== Q Q Q ∆P 3 bar gives axxx1000 flow of 68 l/min. ∆P 20 PSI 2.72 gives of 12.16 P1 2.72 P11Qa2 flow P P 2.34 1000 2.72 2.34 1000 2.34 xxx21000 P11Q P11Q 2.34 P 1 2 1P1 Q 2 Q Q11 Q Q11 2.72 2 Q Q Q 1 2 1 Q2 2 Q Q Q Q = => => => =flow at ∆P =>40 PSI? = = What is the What is the= => = =>2 bar? =P2 => => = flowPat2 ∆P P P11 xP P11 P2 P P2 x P P 1 P2 P112.16 1 P2240 P168 x P2 40 x 12.16 68 2 2 x x x x 2 40l/min 2 2 =Q 40 = 17.2 GPM Q22Q 55.5 Q22Q = 68 = 12.16Q 2= 68 2= 12.16 Q Q ==17.2 2 Q Q Q222 ==55.5 Q 2= 2= QQ 55.5 l/min l/min Q QQ 17.2 GPM GPM 111 Q 111 Q Q55.5 222 l/min Q 2 = = 17.2 GPM Q=111 Q Q=111 Q1=xx20 Q 22 xx3 P x2x20 x3 => = => => = => = 1= 1 Q Q 1= => => P 2 2 P P 2 2 x 3 20 1 3 QP Q1 1 2 P2 Q Q Q22= Q22= =P =P P111Q P222 P P111Q1 20 P P2222 111 PP2222 Q Q Q22= Q22= =PP111 P1 PP222 =PPP P P P11 P11 P P P1 P11 xxx22 xx Q xx 1x 1x P P222 1 Q111xxx PP222 Q P 2 1 Q 1 1 Q Q P 2 1 1 P2 x 2 P Q222= Q222= =Q = 12.16 Q222== 68 xx 2 Q2212==xx 12.16 Q Q Q 68 40 2 40 xx x 12.16 68 12.16 68 2 2 40 P111 PP= P111 40 111 55.5 l/min PP111 Q Q22= Q22= 17.2 GPM GPM = = =Q = = = 17.2 P 55.5 l/min Q Q22= 55.5 l/min l/min Q Q22= 17.2 GPM GPM = = = 55.5 =3P = 17.2 33 20 3 20 20 20 12.16 xx 40 68xxx 12.16 2 xxx 40 12.16 68xxx 22 40 l/min 68 68 Q222= Q 55.5 Q222= 12.16 x 40 = 17.2 17.2 GPM GPM Q222== 55.5 l/min l/min Q Q222== 2 = 55.5 17.2 GPM GPM Q ==55.5 ==17.2 l/min Q 20 20 33 33 20 20 x x Kv 1000 x Kv x1000 Q Q == 60 60
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